[{"supplementarymaterial":"no","OA_type":"closed access","type":"journal_article","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"status":"public","abstract":[{"lang":"eng","text":"Magnets with isotropic easy-plane symmetry host Goldstone modes that can be leveraged for efficient\r\nspin transport. Here, we present a time-resolved optical polarimetry technique that allows us to detect and\r\ncharacterize such low-frequency modes, and use it to observe the Goldstone mode in the multi-Q broken helix\r\nphase of EuIn2As2. The strength of our technique comes from the ability to distinguish between nematic and\r\nmagnetization dynamics in order to yield information about the mode structure, in addition to its frequency. We\r\nfind that the nearly uniform spin precession characteristic of a Goldstone mode is realized only when a small\r\nmagnetic field is used to unpin the broken helix from local strain generated during crystal growth. In this regime,\r\nthe mode frequency scales linearly with the applied field due to the ground state C2z symmetry of the broken\r\nhelix. Our work shows how optical polarimetry can be used to study the Goldstone modes of complex magnets."}],"citation":{"ama":"Liebman-Peláez A, Garratt SJ, Sunko V, et al. Observation of a Goldstone mode in the broken helix by time-resolved optical polarimetry. <i>Physical Review B</i>. 2026;113(22). doi:<a href=\"https://doi.org/10.1103/b48p-kw5l\">10.1103/b48p-kw5l</a>","ieee":"A. Liebman-Peláez <i>et al.</i>, “Observation of a Goldstone mode in the broken helix by time-resolved optical polarimetry,” <i>Physical Review B</i>, vol. 113, no. 22. American Physical Society, 2026.","short":"A. Liebman-Peláez, S.J. Garratt, V. Sunko, Y. Sun, J.R. Soh, D. Prabhakaran, A.T. Boothroyd, J. Orenstein, Physical Review B 113 (2026).","ista":"Liebman-Peláez A, Garratt SJ, Sunko V, Sun Y, Soh JR, Prabhakaran D, Boothroyd AT, Orenstein J. 2026. Observation of a Goldstone mode in the broken helix by time-resolved optical polarimetry. Physical Review B. 113(22), 224401.","mla":"Liebman-Peláez, A., et al. “Observation of a Goldstone Mode in the Broken Helix by Time-Resolved Optical Polarimetry.” <i>Physical Review B</i>, vol. 113, no. 22, 224401, American Physical Society, 2026, doi:<a href=\"https://doi.org/10.1103/b48p-kw5l\">10.1103/b48p-kw5l</a>.","chicago":"Liebman-Peláez, A., S. J. Garratt, Veronika Sunko, Y. Sun, J. R. Soh, D. Prabhakaran, A. T. Boothroyd, and J. Orenstein. “Observation of a Goldstone Mode in the Broken Helix by Time-Resolved Optical Polarimetry.” <i>Physical Review B</i>. American Physical Society, 2026. <a href=\"https://doi.org/10.1103/b48p-kw5l\">https://doi.org/10.1103/b48p-kw5l</a>.","apa":"Liebman-Peláez, A., Garratt, S. J., Sunko, V., Sun, Y., Soh, J. R., Prabhakaran, D., … Orenstein, J. (2026). Observation of a Goldstone mode in the broken helix by time-resolved optical polarimetry. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/b48p-kw5l\">https://doi.org/10.1103/b48p-kw5l</a>"},"article_number":"224401","oa_version":"None","publisher":"American Physical Society","das_tickbox":"1","quality_controlled":"1","date_updated":"2026-06-24T09:49:27Z","month":"06","volume":113,"title":"Observation of a Goldstone mode in the broken helix by time-resolved optical polarimetry","date_published":"2026-06-01T00:00:00Z","article_processing_charge":"No","acknowledgement":"We would like to thank Ehud Altman for helpful discussions. This research was primarily funded by the Quantum\r\nMaterials (KC2202) program under the U.S. Department of\r\nEnergy, Office of Science, Office of Basic Energy Sciences,\r\nMaterials Sciences and Engineering Division under Contract\r\nNo. DE-AC02-05CH11231, which supported the experimental and theoretical work at the Lawrence Berkeley National\r\nLaboratory and UC Berkeley. D.P. and A.T.B. would like to\r\nacknowledge the Engineering and Physical Sciences Research\r\nCouncil, UK and the Oxford- ShanghaiTech collaboration\r\nproject for financial support. J.O. received support from\r\nthe Gordon and Betty Moore Foundation’s EPiQS Initiative\r\nthrough Grant No. GBMF4537 to J.O. at UC Berkeley. V.S.\r\nis supported by the Miller Institute for Basic Research in\r\nScience, UC Berkeley. S.J.G. was supported by the Gordon\r\nand Betty Moore Foundation.","day":"01","researchdata_availability":"yes","publication":"Physical Review B","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"22116","issue":"22","dataavailabilitystatement":"The data that support the findings of this article are openly\r\navailable [27 -  https://doi.org/10.7910/dvn/rqp3az], embargo periods may apply.","language":[{"iso":"eng"}],"author":[{"full_name":"Liebman-Peláez, A.","last_name":"Liebman-Peláez","first_name":"A."},{"full_name":"Garratt, S. J.","first_name":"S. J.","last_name":"Garratt"},{"id":"23cb1cf6-2c7a-11ef-91a4-f72fc19f20b3","full_name":"Sunko, Veronika","first_name":"Veronika","last_name":"Sunko","orcid":"0000-0003-2724-3523"},{"full_name":"Sun, Y.","last_name":"Sun","first_name":"Y."},{"last_name":"Soh","first_name":"J. R.","full_name":"Soh, J. R."},{"first_name":"D.","last_name":"Prabhakaran","full_name":"Prabhakaran, D."},{"first_name":"A. T.","last_name":"Boothroyd","full_name":"Boothroyd, A. T."},{"first_name":"J.","last_name":"Orenstein","full_name":"Orenstein, J."}],"publication_status":"published","extern":"1","doi":"10.1103/b48p-kw5l","intvolume":"       113","year":"2026","date_created":"2026-06-22T08:52:01Z","article_type":"original"},{"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2506.02440 "}],"publisher":"American Physical Society","oa_version":"Preprint","article_number":"184312","citation":{"ama":"Taylor J, Čufar M, Mitrouskas DJ, Seiringer R, Pahl E, Brand J. Bound excited states of Fröhlich polarons in one dimension. <i>Physical Review B</i>. 2025;112(18). doi:<a href=\"https://doi.org/10.1103/s9p9-jflq\">10.1103/s9p9-jflq</a>","ieee":"J. Taylor, M. Čufar, D. J. Mitrouskas, R. Seiringer, E. Pahl, and J. Brand, “Bound excited states of Fröhlich polarons in one dimension,” <i>Physical Review B</i>, vol. 112, no. 18. American Physical Society, 2025.","mla":"Taylor, J., et al. “Bound Excited States of Fröhlich Polarons in One Dimension.” <i>Physical Review B</i>, vol. 112, no. 18, 184312, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/s9p9-jflq\">10.1103/s9p9-jflq</a>.","short":"J. Taylor, M. Čufar, D.J. Mitrouskas, R. Seiringer, E. Pahl, J. Brand, Physical Review B 112 (2025).","ista":"Taylor J, Čufar M, Mitrouskas DJ, Seiringer R, Pahl E, Brand J. 2025. Bound excited states of Fröhlich polarons in one dimension. Physical Review B. 112(18), 184312.","apa":"Taylor, J., Čufar, M., Mitrouskas, D. J., Seiringer, R., Pahl, E., &#38; Brand, J. (2025). Bound excited states of Fröhlich polarons in one dimension. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/s9p9-jflq\">https://doi.org/10.1103/s9p9-jflq</a>","chicago":"Taylor, J., M. Čufar, David Johannes Mitrouskas, Robert Seiringer, E. Pahl, and J. Brand. “Bound Excited States of Fröhlich Polarons in One Dimension.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/s9p9-jflq\">https://doi.org/10.1103/s9p9-jflq</a>."},"abstract":[{"text":"The one-dimensional Fröhlich model describing the motion of a single electron interacting with optical phonons is a paradigmatic model of quantum many-body physics. We predict the existence of an arbitrarily large number of bound excited states in the strong-coupling limit and calculate their excitation energies. Numerical simulations of a discretized model demonstrate the complete amelioration of the projector Monte Carlo sign problem by walker annihilation in an infinite Hilbert space. They reveal the threshold for the occurrence of the first bound excited states at a value of 𝛼≈1.73 for the dimensionless coupling constant. This puts the threshold into the regime of intermediate interaction strength. We find a significant spectral weight and increased phonon number of the bound excited state at threshold.","lang":"eng"}],"scopus_import":"1","status":"public","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","OA_type":"green","acknowledgement":"We are grateful to Dmytro Kolisnyk for his help in working out the spectrum of the Hessian. This work was supported by the Marsden Fund of New Zealand (Contract No. MAU2007) from government funding administered by the Royal Society Te Apārangi and by a summer scholarship from Te Whai Ao – Dodd-Walls Centre for Photonic and Quantum Technologies and the Physics Department, University of Auckland. We acknowledge support by the New Zealand eScience Infrastructure (NeSI) high-performance computing facilities in the form of a merit project allocation.","date_published":"2025-11-18T00:00:00Z","arxiv":1,"article_processing_charge":"No","title":"Bound excited states of Fröhlich polarons in one dimension","volume":112,"month":"11","date_updated":"2026-02-18T08:23:59Z","quality_controlled":"1","external_id":{"arxiv":["2506.02440 "]},"issue":"18","department":[{"_id":"RoSe"}],"_id":"21270","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication":"Physical Review B","OA_place":"repository","day":"18","article_type":"original","date_created":"2026-02-17T07:56:20Z","year":"2025","intvolume":"       112","doi":"10.1103/s9p9-jflq","oa":1,"publication_status":"published","author":[{"full_name":"Taylor, J.","first_name":"J.","last_name":"Taylor"},{"last_name":"Čufar","first_name":"M.","full_name":"Čufar, M."},{"last_name":"Mitrouskas","first_name":"David Johannes","id":"cbddacee-2b11-11eb-a02e-a2e14d04e52d","full_name":"Mitrouskas, David Johannes"},{"first_name":"Robert","last_name":"Seiringer","orcid":"0000-0002-6781-0521","id":"4AFD0470-F248-11E8-B48F-1D18A9856A87","full_name":"Seiringer, Robert"},{"first_name":"E.","last_name":"Pahl","full_name":"Pahl, E."},{"first_name":"J.","last_name":"Brand","full_name":"Brand, J."}],"language":[{"iso":"eng"}]},{"title":"Linear magnetoconductivity as a probe of time-reversal symmetry breaking","article_processing_charge":"No","date_published":"2025-10-06T00:00:00Z","arxiv":1,"volume":112,"month":"10","external_id":{"arxiv":["2310.15631"]},"date_updated":"2026-03-16T08:22:16Z","quality_controlled":"1","publisher":"American Physical Society","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2310.15631"}],"abstract":[{"lang":"eng","text":"Several optical experiments have shown that in magnetic materials, the principal axes of response tensors can rotate as an odd function of an applied magnetic field. Here we offer a microscopic explanation of this effect, and we propose a closely related dc transport phenomenon—an off-diagonal symmetric conductivity, linear and odd in a magnetic field, which we refer to as linear magnetoconductivity (LMC). Although LMC has the same functional dependence on a magnetic field as the Hall effect, its origin is fundamentally different: LMC requires time-reversal symmetry to be broken even before a magnetic field is applied, and is therefore a sensitive probe of magnetism. We demonstrate LMC in three different ways: via a tight-binding toy model, a density functional theory calculation on MnPSe3, and a semiclassical treatment. The third approach identifies two distinct mechanisms yielding LMC: momentum-dependent band magnetization and Berry curvature. Finally, we propose an experimental geometry suitable for detecting LMC, and we demonstrate its applicability using Landauer-Büttiker simulations. Our results emphasize the importance of measuring the full conductivity tensor in magnetic materials, and they introduce LMC as a new transport probe of symmetry."}],"citation":{"chicago":"Sunko, Veronika, C. Liu, M. Vila, I. Na, Y. Tang, V. Kozii, S. M. Griffin, J. E. Moore, and J. Orenstein. “Linear Magnetoconductivity as a Probe of Time-Reversal Symmetry Breaking.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/33ns-8gwj\">https://doi.org/10.1103/33ns-8gwj</a>.","apa":"Sunko, V., Liu, C., Vila, M., Na, I., Tang, Y., Kozii, V., … Orenstein, J. (2025). Linear magnetoconductivity as a probe of time-reversal symmetry breaking. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/33ns-8gwj\">https://doi.org/10.1103/33ns-8gwj</a>","short":"V. Sunko, C. Liu, M. Vila, I. Na, Y. Tang, V. Kozii, S.M. Griffin, J.E. Moore, J. Orenstein, Physical Review B 112 (2025).","ista":"Sunko V, Liu C, Vila M, Na I, Tang Y, Kozii V, Griffin SM, Moore JE, Orenstein J. 2025. Linear magnetoconductivity as a probe of time-reversal symmetry breaking. Physical Review B. 112(13), 134407.","mla":"Sunko, Veronika, et al. “Linear Magnetoconductivity as a Probe of Time-Reversal Symmetry Breaking.” <i>Physical Review B</i>, vol. 112, no. 13, 134407, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/33ns-8gwj\">10.1103/33ns-8gwj</a>.","ieee":"V. Sunko <i>et al.</i>, “Linear magnetoconductivity as a probe of time-reversal symmetry breaking,” <i>Physical Review B</i>, vol. 112, no. 13. American Physical Society, 2025.","ama":"Sunko V, Liu C, Vila M, et al. Linear magnetoconductivity as a probe of time-reversal symmetry breaking. <i>Physical Review B</i>. 2025;112(13). doi:<a href=\"https://doi.org/10.1103/33ns-8gwj\">10.1103/33ns-8gwj</a>"},"article_number":"134407","oa_version":"Preprint","type":"journal_article","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"status":"public","OA_type":"green","date_created":"2026-03-11T10:37:59Z","article_type":"original","year":"2025","oa":1,"extern":"1","publication_status":"published","doi":"10.1103/33ns-8gwj","intvolume":"       112","language":[{"iso":"eng"}],"author":[{"orcid":"0000-0003-2724-3523","first_name":"Veronika","last_name":"Sunko","full_name":"Sunko, Veronika","id":"23cb1cf6-2c7a-11ef-91a4-f72fc19f20b3"},{"full_name":"Liu, C.","last_name":"Liu","first_name":"C."},{"first_name":"M.","last_name":"Vila","full_name":"Vila, M."},{"last_name":"Na","first_name":"I.","full_name":"Na, I."},{"first_name":"Y.","last_name":"Tang","full_name":"Tang, Y."},{"last_name":"Kozii","first_name":"V.","full_name":"Kozii, V."},{"last_name":"Griffin","first_name":"S. M.","full_name":"Griffin, S. M."},{"full_name":"Moore, J. E.","last_name":"Moore","first_name":"J. E."},{"full_name":"Orenstein, J.","last_name":"Orenstein","first_name":"J."}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"21431","issue":"13","OA_place":"repository","publication":"Physical Review B","day":"06"},{"title":"Orbital-spin locking and its optical signatures in altermagnets","article_processing_charge":"No","date_published":"2025-07-01T00:00:00Z","arxiv":1,"volume":112,"month":"07","external_id":{"arxiv":["2410.23513"]},"date_updated":"2026-03-16T08:37:20Z","quality_controlled":"1","publisher":"American Physical Society","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2410.23513"}],"oa_version":"Preprint","article_number":"L020401","abstract":[{"lang":"eng","text":"Altermagnets, magnetic materials with zero magnetization and spin-split band structure, have gained tremendous attention recently for their rich physics and potential applications. Here, we report on a microscopic tight-binding model that unveils a unique coupling between orbitals and spins in 𝑑-wave altermagnets, which gives rise to momentum-dependent and spin-selective optical absorption. This coupling promotes the controlled optical excitation of up or down spins depending on the polarization direction of linearly polarized light. Such an effect originates from the coupling of orbitals to the sublattice degree of freedom through the crystal field, which is then coupled to spins through the antiferromagnetic interaction. Our crystal field analysis, which is general to any type of altermagnet, helps understand the onset of altermagnetism from a microscopic point of view, and we use our results to propose clear magneto-optical signatures of our predictions. Our findings shine light on the interplay between orbitals and spins in altermagnets, thus paving the way towards novel orbitronic and optospintronic devices."}],"citation":{"ieee":"M. Vila, V. Sunko, and J. E. Moore, “Orbital-spin locking and its optical signatures in altermagnets,” <i>Physical Review B</i>, vol. 112, no. 2. American Physical Society, 2025.","ama":"Vila M, Sunko V, Moore JE. Orbital-spin locking and its optical signatures in altermagnets. <i>Physical Review B</i>. 2025;112(2). doi:<a href=\"https://doi.org/10.1103/bzzy-ngcs\">10.1103/bzzy-ngcs</a>","apa":"Vila, M., Sunko, V., &#38; Moore, J. E. (2025). Orbital-spin locking and its optical signatures in altermagnets. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/bzzy-ngcs\">https://doi.org/10.1103/bzzy-ngcs</a>","chicago":"Vila, Marc, Veronika Sunko, and Joel E. Moore. “Orbital-Spin Locking and Its Optical Signatures in Altermagnets.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/bzzy-ngcs\">https://doi.org/10.1103/bzzy-ngcs</a>.","mla":"Vila, Marc, et al. “Orbital-Spin Locking and Its Optical Signatures in Altermagnets.” <i>Physical Review B</i>, vol. 112, no. 2, L020401, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/bzzy-ngcs\">10.1103/bzzy-ngcs</a>.","ista":"Vila M, Sunko V, Moore JE. 2025. Orbital-spin locking and its optical signatures in altermagnets. Physical Review B. 112(2), L020401.","short":"M. Vila, V. Sunko, J.E. Moore, Physical Review B 112 (2025)."},"publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","status":"public","OA_type":"green","date_created":"2026-03-11T10:38:52Z","article_type":"letter_note","year":"2025","doi":"10.1103/bzzy-ngcs","publication_status":"published","oa":1,"extern":"1","intvolume":"       112","author":[{"full_name":"Vila, Marc","last_name":"Vila","first_name":"Marc"},{"orcid":"0000-0003-2724-3523","first_name":"Veronika","last_name":"Sunko","full_name":"Sunko, Veronika","id":"23cb1cf6-2c7a-11ef-91a4-f72fc19f20b3"},{"last_name":"Moore","first_name":"Joel E.","full_name":"Moore, Joel E."}],"language":[{"iso":"eng"}],"issue":"2","_id":"21433","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","OA_place":"repository","publication":"Physical Review B","day":"01"},{"author":[{"orcid":"0000-0002-7969-2729","last_name":"Brighi","first_name":"Pietro","full_name":"Brighi, Pietro","id":"4115AF5C-F248-11E8-B48F-1D18A9856A87"},{"orcid":"0000-0003-0038-7068","first_name":"Marko","last_name":"Ljubotina","full_name":"Ljubotina, Marko","id":"F75EE9BE-5C90-11EA-905D-16643DDC885E"},{"orcid":"0000-0002-2399-5827","first_name":"Maksym","last_name":"Serbyn","full_name":"Serbyn, Maksym","id":"47809E7E-F248-11E8-B48F-1D18A9856A87"}],"ddc":["530"],"language":[{"iso":"eng"}],"file_date_updated":"2025-06-23T06:28:17Z","intvolume":"       111","project":[{"call_identifier":"H2020","name":"Non-Ergodic Quantum Matter: Universality, Dynamics and Control","_id":"23841C26-32DE-11EA-91FC-C7463DDC885E","grant_number":"850899"}],"file":[{"date_updated":"2025-06-23T06:28:17Z","relation":"main_file","content_type":"application/pdf","file_size":1082749,"success":1,"file_id":"19861","date_created":"2025-06-23T06:28:17Z","file_name":"2025_PhysReviewB_Brighi.pdf","access_level":"open_access","creator":"dernst","checksum":"7941f92124793a383ca132eee2c289c5"}],"doi":"10.1103/9fms-ygfz","oa":1,"publication_status":"published","year":"2025","article_type":"letter_note","date_created":"2025-06-13T06:09:38Z","day":"12","publication":"Physical Review B","OA_place":"publisher","issue":"22","department":[{"_id":"MaSe"}],"ec_funded":1,"_id":"19833","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","has_accepted_license":"1","tmp":{"short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"},"quality_controlled":"1","date_updated":"2025-09-30T12:48:10Z","external_id":{"arxiv":["2502.08192"],"isi":["001511503800006"]},"month":"06","volume":111,"acknowledgement":"We thank D. A. Abanin for insightful discussions in the early stages of this work. P.B. acknowledges support by the Austrian Science Fund (FWF) [Grant Agreement No. 10.55776/ESP9057324]. This research was funded in whole or in part by the Austrian Science Fund (FWF) [10.55776/COE1]. The authors acknowledge support by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (Grant Agreement No. 850899). M.L. acknowledges support by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy–EXC-2111–390814868. The authors acknowledge PRACE for awarding access to Joliot-Curie at GENCI@CEA, France, where the TEBD simulations were performed. The TEBD simulations were performed using the ITensor library [52].","isi":1,"arxiv":1,"date_published":"2025-06-12T00:00:00Z","article_processing_charge":"Yes (in subscription journal)","title":"Probing the many-body localized spin-glass phase through quench dynamics","OA_type":"hybrid","status":"public","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","oa_version":"Published Version","citation":{"ieee":"P. Brighi, M. Ljubotina, and M. Serbyn, “Probing the many-body localized spin-glass phase through quench dynamics,” <i>Physical Review B</i>, vol. 111, no. 22. American Physical Society, 2025.","ama":"Brighi P, Ljubotina M, Serbyn M. Probing the many-body localized spin-glass phase through quench dynamics. <i>Physical Review B</i>. 2025;111(22). doi:<a href=\"https://doi.org/10.1103/9fms-ygfz\">10.1103/9fms-ygfz</a>","chicago":"Brighi, Pietro, Marko Ljubotina, and Maksym Serbyn. “Probing the Many-Body Localized Spin-Glass Phase through Quench Dynamics.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/9fms-ygfz\">https://doi.org/10.1103/9fms-ygfz</a>.","apa":"Brighi, P., Ljubotina, M., &#38; Serbyn, M. (2025). Probing the many-body localized spin-glass phase through quench dynamics. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/9fms-ygfz\">https://doi.org/10.1103/9fms-ygfz</a>","ista":"Brighi P, Ljubotina M, Serbyn M. 2025. Probing the many-body localized spin-glass phase through quench dynamics. Physical Review B. 111(22), L220202.","short":"P. Brighi, M. Ljubotina, M. Serbyn, Physical Review B 111 (2025).","mla":"Brighi, Pietro, et al. “Probing the Many-Body Localized Spin-Glass Phase through Quench Dynamics.” <i>Physical Review B</i>, vol. 111, no. 22, L220202, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/9fms-ygfz\">10.1103/9fms-ygfz</a>."},"scopus_import":"1","abstract":[{"lang":"eng","text":"Eigenstates of quantum many-body systems are often used to define phases of matter in and out of equilibrium; however, experimentally accessing highly excited eigenstates is a challenging task, calling for alternative strategies to dynamically probe nonequilibrium phases. In this work, we characterize the dynamical properties of a disordered spin chain, focusing on the spin-glass regime. Using tensor-network simulations, we observe oscillatory behavior of local expectation values and bipartite entanglement entropy. We explain these oscillations deep in the many-body localized spin-glass regime via a simple theoretical model. From perturbation theory, we predict the timescales up to which our analytical description is valid and confirm it with numerical simulations. Finally, we study the correlation length dynamics, which, after a long-time plateau, resume growing in line with renormalization group (RG) expectations. Our work suggests that RG predictions can be quantitatively tested against numerical simulations and experiments, potentially enabling microscopic descriptions of dynamical phases in large systems."}],"article_number":"L220202","publisher":"American Physical Society"},{"OA_type":"hybrid","publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"type":"journal_article","status":"public","oa_version":"Published Version","article_number":"214518","citation":{"ista":"Babkin S, Joecker B, Flensberg K, Serbyn M, Danon J. 2025. Superconducting proximity effect in two-dimensional hole gases. Physical Review B. 111(21), 214518.","short":"S. Babkin, B. Joecker, K. Flensberg, M. Serbyn, J. Danon, Physical Review B 111 (2025).","mla":"Babkin, Serafim, et al. “Superconducting Proximity Effect in Two-Dimensional Hole Gases.” <i>Physical Review B</i>, vol. 111, no. 21, 214518, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/k4jh-pnxy\">10.1103/k4jh-pnxy</a>.","chicago":"Babkin, Serafim, Benjamin Joecker, Karsten Flensberg, Maksym Serbyn, and Jeroen Danon. “Superconducting Proximity Effect in Two-Dimensional Hole Gases.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/k4jh-pnxy\">https://doi.org/10.1103/k4jh-pnxy</a>.","apa":"Babkin, S., Joecker, B., Flensberg, K., Serbyn, M., &#38; Danon, J. (2025). Superconducting proximity effect in two-dimensional hole gases. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/k4jh-pnxy\">https://doi.org/10.1103/k4jh-pnxy</a>","ama":"Babkin S, Joecker B, Flensberg K, Serbyn M, Danon J. Superconducting proximity effect in two-dimensional hole gases. <i>Physical Review B</i>. 2025;111(21). doi:<a href=\"https://doi.org/10.1103/k4jh-pnxy\">10.1103/k4jh-pnxy</a>","ieee":"S. Babkin, B. Joecker, K. Flensberg, M. Serbyn, and J. Danon, “Superconducting proximity effect in two-dimensional hole gases,” <i>Physical Review B</i>, vol. 111, no. 21. American Physical Society, 2025."},"abstract":[{"text":"Technology involving hybrid superconductor–semiconductor materials is a promising avenue for engineering quantum devices for information storage, manipulation, and transmission. Proximity-induced superconducting correlations are an essential part of such devices. While the proximity effect in the conduction band of common semiconductors is well understood, its manifestation in confined hole gases, realized for instance in germanium, is an active area of research. Lower-dimensional hole-based systems, particularly in germanium, are emerging as an attractive platform for a variety of solid-state quantum devices, due to their combination of efficient spin and charge control and long coherence times. The recent experimental realization of the proximity effect in germanium thus calls for a theoretical description that is tailored to hole gases. In this work, we propose a simple model to describe proximity-induced superconductivity in two-dimensional hole gases, incorporating both the heavy-hole (HH) and light-hole (LH) bands. We start from the Luttinger–Kohn model, introduce three parameters that characterize hopping across the superconductor–semiconductor interface, and derive explicit intraband and interband effective pairing terms for the HH and LH bands. Unlike previous approaches, our theory provides a quantitative relationship between induced pairings and interface properties. Restricting our general model to an experimentally relevant case where only the HH band crosses the chemical potential, we predict the coexistence of 𝑠-wave and 𝑑-wave singlet pairings, along with triplet-type pairings, and modified Zeeman and Rashba spin–orbit couplings. Our results thus present a starting point for theoretical modeling of quantum devices based on proximitized hole gases, fueling further progress in quantum technology.","lang":"eng"}],"scopus_import":"1","publisher":"American Physical Society","external_id":{"arxiv":["2412.04084"],"isi":["001514328000004"]},"quality_controlled":"1","date_updated":"2025-09-30T12:53:47Z","month":"06","volume":111,"title":"Superconducting proximity effect in two-dimensional hole gases","isi":1,"acknowledgement":"We acknowledge useful discussions with Georgios Katsaros, Andrew Higginbotham, and Oliver Schwarze. This research was funded in part by the Austrian Science Fund (FWF) F 86, the European Research Council (Grant Agreement No. 856526), and by the DFG Collaborative Research Center (CRC) 183 Project No. 277101999.","date_published":"2025-06-18T00:00:00Z","article_processing_charge":"Yes (via OA deal)","arxiv":1,"day":"18","corr_author":"1","OA_place":"publisher","publication":"Physical Review B","issue":"21","department":[{"_id":"MaSe"},{"_id":"GradSch"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","_id":"19852","has_accepted_license":"1","tmp":{"short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"},"file_date_updated":"2025-06-23T10:31:11Z","author":[{"full_name":"Babkin, Serafim","id":"e63d75c3-72ef-11ef-b75a-e303e149911f","first_name":"Serafim","last_name":"Babkin"},{"last_name":"Joecker","first_name":"Benjamin","full_name":"Joecker, Benjamin"},{"full_name":"Flensberg, Karsten","first_name":"Karsten","last_name":"Flensberg"},{"full_name":"Serbyn, Maksym","id":"47809E7E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-2399-5827","first_name":"Maksym","last_name":"Serbyn"},{"full_name":"Danon, Jeroen","last_name":"Danon","first_name":"Jeroen"}],"ddc":["530"],"language":[{"iso":"eng"}],"file":[{"date_created":"2025-06-23T10:31:11Z","success":1,"file_id":"19869","checksum":"fa8757f4780cfaeb51579c626284a8c1","creator":"dernst","file_name":"2025_PhysReviewB_Babkin.pdf","access_level":"open_access","file_size":1719489,"date_updated":"2025-06-23T10:31:11Z","content_type":"application/pdf","relation":"main_file"}],"project":[{"name":"Center for Correlated Quantum Materials and Solid State Quantum Systems:  Probing topology in circuits and quantum materials","_id":"34a7f947-11ca-11ed-8bc3-c5dc2bbaae25","grant_number":"F8609"}],"doi":"10.1103/k4jh-pnxy","publication_status":"published","oa":1,"intvolume":"       111","year":"2025","date_created":"2025-06-19T16:54:54Z","article_type":"original"},{"month":"07","quality_controlled":"1","date_updated":"2025-09-30T14:34:43Z","external_id":{"isi":["001530465500007"],"arxiv":["2404.11645"]},"acknowledgement":"The authors are grateful to Fiona Burnell, Gaurav Gyawali, Zlatko Papić, Elliot Rosenberg, Pedram Roushan, Michael Schecter, and Una Šlanka for insightful discussions. J.-Y.D. acknowledges funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant No. 101034413. T.I. acknowledges support from the National Science Foundation under Grant No. DMR-2143635. J.C.H. acknowledges funding by the Emmy Noether Programme of the German Research Foundation (DFG) under Grant No. HA 8206/1-1.s, the Max Planck Society, the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy–EXC-2111–390814868, and the European Research Council (ERC) under the European Union's Horizon Europe research and innovation program (Grant Agreement No. 101165667) ERC Starting Grant QuSiGauge. This work is part of the Quantum Computing for High-Energy Physics (QC4HEP) working group.","isi":1,"date_published":"2025-07-01T00:00:00Z","article_processing_charge":"Yes (via OA deal)","arxiv":1,"PlanS_conform":"1","title":"Mass-assisted local deconfinement in a confined Z2 lattice gauge theory","volume":112,"status":"public","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","related_material":{"record":[{"status":"public","id":"19791","relation":"research_data"}]},"OA_type":"hybrid","publisher":"American Physical Society","oa_version":"Published Version","abstract":[{"text":"Confinement is a prominent phenomenon in condensed-matter and high-energy physics that has recently become the focus of quantum-simulation experiments of lattice gauge theories (LGTs). As such, a theoretical understanding of the effect of confinement on LGT dynamics is not only of fundamental importance but also can lend itself to upcoming experiments. Here we show how confinement in a Z2 LGT can be  avoided by proximity to a resonance between the fermion mass and the electric field strength. Furthermore, we show that this local deconfinement can become global for certain initial conditions, where information transport occurs over the entire chain. In addition, we show how this can lead to strong quantum many-body scarring starting in different initial states. Our findings provide deeper insights into the nature of confinement in Z2 LGTs and can be tested on current and near-term quantum devices.","lang":"eng"}],"scopus_import":"1","article_number":"014301","citation":{"ieee":"J.-Y. M. Desaules, T. Iadecola, and J. C. Halimeh, “Mass-assisted local deconfinement in a confined Z2 lattice gauge theory,” <i>Physical Review B</i>, vol. 112, no. 1. American Physical Society, 2025.","ama":"Desaules J-YM, Iadecola T, Halimeh JC. Mass-assisted local deconfinement in a confined Z2 lattice gauge theory. <i>Physical Review B</i>. 2025;112(1). doi:<a href=\"https://doi.org/10.1103/mfg2-t6gb\">10.1103/mfg2-t6gb</a>","apa":"Desaules, J.-Y. M., Iadecola, T., &#38; Halimeh, J. C. (2025). Mass-assisted local deconfinement in a confined Z2 lattice gauge theory. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/mfg2-t6gb\">https://doi.org/10.1103/mfg2-t6gb</a>","chicago":"Desaules, Jean-Yves Marc, Thomas Iadecola, and Jad C. Halimeh. “Mass-Assisted Local Deconfinement in a Confined Z2 Lattice Gauge Theory.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/mfg2-t6gb\">https://doi.org/10.1103/mfg2-t6gb</a>.","mla":"Desaules, Jean-Yves Marc, et al. “Mass-Assisted Local Deconfinement in a Confined Z2 Lattice Gauge Theory.” <i>Physical Review B</i>, vol. 112, no. 1, 014301, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/mfg2-t6gb\">10.1103/mfg2-t6gb</a>.","ista":"Desaules J-YM, Iadecola T, Halimeh JC. 2025. Mass-assisted local deconfinement in a confined Z2 lattice gauge theory. Physical Review B. 112(1), 014301.","short":"J.-Y.M. Desaules, T. Iadecola, J.C. Halimeh, Physical Review B 112 (2025)."},"intvolume":"       112","file":[{"access_level":"open_access","file_name":"2025_PhysReviewB_Desaules.pdf","creator":"dernst","checksum":"dd919bb9c4c233eba047af4262e02835","file_id":"20333","success":1,"date_created":"2025-09-10T06:47:23Z","content_type":"application/pdf","relation":"main_file","date_updated":"2025-09-10T06:47:23Z","file_size":3458424}],"doi":"10.1103/mfg2-t6gb","project":[{"grant_number":"101034413","_id":"fc2ed2f7-9c52-11eb-aca3-c01059dda49c","call_identifier":"H2020","name":"IST-BRIDGE: International postdoctoral program"}],"oa":1,"publication_status":"published","author":[{"id":"6c292945-a610-11ed-9eec-c3be1ad62a80","full_name":"Desaules, Jean-Yves Marc","first_name":"Jean-Yves Marc","last_name":"Desaules","orcid":"0000-0002-3749-6375"},{"full_name":"Iadecola, Thomas","last_name":"Iadecola","first_name":"Thomas"},{"first_name":"Jad C.","last_name":"Halimeh","full_name":"Halimeh, Jad C."}],"language":[{"iso":"eng"}],"ddc":["530"],"file_date_updated":"2025-09-10T06:47:23Z","article_type":"original","date_created":"2025-09-10T05:44:47Z","year":"2025","publication":"Physical Review B","corr_author":"1","OA_place":"publisher","day":"01","has_accepted_license":"1","tmp":{"short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"},"issue":"1","ec_funded":1,"department":[{"_id":"MaSe"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","_id":"20327"},{"related_material":{"record":[{"id":"20940","relation":"research_data","status":"public"}]},"OA_type":"green","status":"public","publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"type":"journal_article","oa_version":"Preprint","citation":{"ieee":"S. Mandal <i>et al.</i>, “Cavity based sensing of antiferromagnetic canting and nonzero-momentum spin waves in a van der Waals cavity-magnon-polariton system,” <i>Physical Review B</i>, vol. 112, no. 21. American Physical Society, 2025.","ama":"Mandal S, Maji K, Kapoor L, et al. Cavity based sensing of antiferromagnetic canting and nonzero-momentum spin waves in a van der Waals cavity-magnon-polariton system. <i>Physical Review B</i>. 2025;112(21). doi:<a href=\"https://doi.org/10.1103/bdd1-b8ys\">10.1103/bdd1-b8ys</a>","apa":"Mandal, S., Maji, K., Kapoor, L., Sasmal, S., Manni, S., Jesudasan, J., … Deshmukh, M. M. (2025). Cavity based sensing of antiferromagnetic canting and nonzero-momentum spin waves in a van der Waals cavity-magnon-polariton system. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/bdd1-b8ys\">https://doi.org/10.1103/bdd1-b8ys</a>","chicago":"Mandal, Supriya, Krishnendu Maji, Lucky Kapoor, Souvik Sasmal, Soham Manni, John Jesudasan, Pratap Raychaudhuri, Arumugam Thamizhavel, and Mandar M. Deshmukh. “Cavity Based Sensing of Antiferromagnetic Canting and Nonzero-Momentum Spin Waves in a van Der Waals Cavity-Magnon-Polariton System.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/bdd1-b8ys\">https://doi.org/10.1103/bdd1-b8ys</a>.","mla":"Mandal, Supriya, et al. “Cavity Based Sensing of Antiferromagnetic Canting and Nonzero-Momentum Spin Waves in a van Der Waals Cavity-Magnon-Polariton System.” <i>Physical Review B</i>, vol. 112, no. 21, 214443, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/bdd1-b8ys\">10.1103/bdd1-b8ys</a>.","short":"S. Mandal, K. Maji, L. Kapoor, S. Sasmal, S. Manni, J. Jesudasan, P. Raychaudhuri, A. Thamizhavel, M.M. Deshmukh, Physical Review B 112 (2025).","ista":"Mandal S, Maji K, Kapoor L, Sasmal S, Manni S, Jesudasan J, Raychaudhuri P, Thamizhavel A, Deshmukh MM. 2025. Cavity based sensing of antiferromagnetic canting and nonzero-momentum spin waves in a van der Waals cavity-magnon-polariton system. Physical Review B. 112(21), 214443."},"scopus_import":"1","article_number":"214443","abstract":[{"text":"Cavity-magnon polaritons are hybrid excitations from the interaction between cavity photons and magnons, the quanta of collective spin oscillations. Along with the tunability of the magnon-photon coupling strength, fast information transfer and conversion speed are desired in hybrid devices. This can be achieved utilizing the propagating nature of spin waves with nonzero momentum for their ultrafast time dynamics and reduced ohmic dissipation. Antiferromagnets are particularly interesting as hosts for magnons since stray-field interactions are minimized and they support multiple modes with distinctive magnetic-field behavior across the phase diagram. Chromium trichloride (CrCl3) is a van der Waals layered antiferromagnet having a strong easy-plane anisotropy and a weak in-plane easy-axis anisotropy. Despite some magnetic resonance studies, the impact of magnetic reorientation of spins in CrCl3 on the cavity-magnon-polariton interaction strength as a function of magnetic field remains largely unexplored. In this study, we investigate the coupling between magnons in CrCl3 and photons in a coplanar waveguide resonator as a function of magnetic field. In particular, we find that the magnon-photon coupling strength varies nonmonotonically and distinctly with the magnetic field for the acoustic and the optical magnons, which can be utilized to tune the magnon-photon coupling strength using an external magnetic field as a knob. We find the signature of spin-flop transition in the two harmonics of the cavity due to a stronger dispersive coupling between optical magnons and cavity photons at lower fields. Additionally, we find standing modes formed by spin waves with nonzero momentum associated with the two hybrid magnons when the external field is applied at an angle with the crystal plane. These modes do not undergo substantial coupling with the cavity mode unlike the antiferromagnetic modes and can be used as low-loss propagation channels in hybrid devices.","lang":"eng"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2512.05236"}],"publisher":"American Physical Society","quality_controlled":"1","date_updated":"2026-07-22T06:21:32Z","external_id":{"arxiv":["2512.05236"]},"month":"12","volume":112,"acknowledgement":"We thank R. Vijayaraghavan, V. Singh, A. Kamra, A. Barman, M. Patankar, S. Kundu, S. Hazra, S. Sahu, A. Riswadkar, A. Bhattacharjee, and S. Das for helpful discussions and experimental assistance. We acknowledge the Swarnajayanti Fellowship of the Department of Science and Technology (for M.M.D.), DST Nanomission Grant No. SR/NM/NS-45/2016, SERB SUPRA Grant No. SPR/2019/001247, ONRG Grant No. N62909–18-1–2058, and the Department of Atomic Energy of the Government of India Grant No. 12-R&D-TFR5.10–0100 for support.","article_processing_charge":"No","date_published":"2025-12-19T00:00:00Z","arxiv":1,"title":"Cavity based sensing of antiferromagnetic canting and nonzero-momentum spin waves in a van der Waals cavity-magnon-polariton system","day":"19","publication":"Physical Review B","OA_place":"repository","department":[{"_id":"MaIb"},{"_id":"JoFi"}],"issue":"21","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"20927","author":[{"full_name":"Mandal, Supriya","first_name":"Supriya","last_name":"Mandal"},{"id":"76bc9e9f-ba0b-11ee-8184-90edabd17a58","full_name":"Maji, Krishnendu","first_name":"Krishnendu","last_name":"Maji"},{"first_name":"Lucky","last_name":"Kapoor","orcid":"0000-0001-8319-2148","id":"84b9700b-15b2-11ec-abd3-831089e67615","full_name":"Kapoor, Lucky"},{"last_name":"Sasmal","first_name":"Souvik","full_name":"Sasmal, Souvik"},{"full_name":"Manni, Soham","first_name":"Soham","last_name":"Manni"},{"last_name":"Jesudasan","first_name":"John","full_name":"Jesudasan, John"},{"full_name":"Raychaudhuri, Pratap","first_name":"Pratap","last_name":"Raychaudhuri"},{"full_name":"Thamizhavel, Arumugam","first_name":"Arumugam","last_name":"Thamizhavel"},{"first_name":"Mandar M.","last_name":"Deshmukh","full_name":"Deshmukh, Mandar M."}],"language":[{"iso":"eng"}],"intvolume":"       112","doi":"10.1103/bdd1-b8ys","oa":1,"publication_status":"published","year":"2025","article_type":"original","date_created":"2026-01-04T23:01:34Z"},{"month":"04","external_id":{"arxiv":["2504.07268"]},"date_updated":"2026-07-22T06:53:20Z","quality_controlled":"1","title":"Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering","acknowledgement":"Work by S.F.R.T., D.R.B., J.P., V.B., M.P.M.D., and M.M. was supported by the U.S. Department of Energy (DOE), Division of Materials Science, under Contract No. DE-SC0012704. G.A.P. and D.F.S. are primarily supported by the DOE, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Grant No. DE-SC0021925, and by NSF Graduate Research Fellowship Grant No. DGE-1745303. S.F.R.T. acknowledges additional support from the DOE, Office of Science, Office of Workforce Development for Teachers and Scientists, Office of Science Graduate Student Research (SCGSR) program. The SCGSR program is administered by the Oak Ridge Institute for Science and Education for the DOE under Contract No. DE-SC0014664. G.A.P. acknowledges additional support from the Paul and Daisy Soros Fellowship for New Americans. Q.S. was supported by the Science and Technology Center for Integrated Quantum Materials, NSF Grant No. DMR-1231319. B.H.G and L.F.K. acknowledge support by PARADIM, NSF Grant No. DMR-2039380. J.A.M. acknowledges support from the DOE, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Grant No. DE-SC0021925. Materials growth and electron microscopy were supported by PARADIM under NSF Cooperative Agreement Grant No. DMR-2039380. Electron microscopy made use of the Cornell Center for Materials Research Shared Facilities. The Thermo Fisher Spectra 300 X-CFEG was acquired with support from PARADIM, an NSF Materials Innovation Platforms (Grant No. DMR-2039380), and Cornell University. The FEI Titan Themis 300 was acquired through Grant No. NSF-MRI-1429155, with additional support from Cornell University, the Weill Institute, and the Kavli Institute at Cornell University. The Thermo Fisher Helios G4 UX FIB was acquired with support by NSF Grant No. DMR-1539918. This research used beamline 2-ID of the National Synchrotron Light Source II, a DOE Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory under Contract No. DE-SC0012704. We acknowledge Diamond Light Source for time on Beamline I21 under Proposal No. MM27484.","date_published":"2025-04-15T00:00:00Z","article_processing_charge":"No","arxiv":1,"volume":111,"publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"type":"journal_article","status":"public","OA_type":"green","publisher":"American Physical Society","das_tickbox":"1","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2504.07268"}],"oa_version":"Preprint","article_number":"165145","abstract":[{"text":"Magnetic interactions are thought to play a key role in the properties of many unconventional superconductors, including cuprates, iron pnictides, and square-planar nickelates. Superconductivity was also recently observed in the bilayer and trilayer Ruddlesden-Popper nickelates, the electronic structure of which is expected to differ from that of cuprates and square-planar nickelates. Here we study how electronic structure and magnetic interactions evolve with the number of layers, 𝑛, in thin film Ruddlesden-Popper nickelates Nd𝑛+1⁢Ni𝑛⁢O3⁢𝑛+1 with 𝑛=1,3, and 5 using resonant inelastic x-ray scattering (RIXS). The RIXS spectra are consistent with a high-spin |3⁢𝑑8⁢ 𝐿̲⟩ electronic configuration, resembling that of La2−𝑥⁢Sr𝑥⁢NiO4 and the parent perovskite, NdNiO3. The magnetic excitations soften to lower energy in the structurally self-doped, higher-𝑛 films. Our observations confirm that structural tuning is an effective route for altering electronic properties, such as magnetic superexchange, in this prominent family of materials.","lang":"eng"}],"citation":{"mla":"Tenhuisen, Sophia F. R., et al. “Magnetic Excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper Nickelates Observed via Resonant Inelastic x-Ray Scattering.” <i>Physical Review B</i>, vol. 111, no. 16, 165145, American Physical Society, 2025, doi:<a href=\"https://doi.org/10.1103/PhysRevB.111.165145\">10.1103/PhysRevB.111.165145</a>.","ista":"Tenhuisen SFR, Pan GA, Song Q, Baykusheva DR, Ferenc Segedin D, Goodge BH, Paik H, Pelliciari J, Bisogni V, Gu Y, Agrestini S, Nag A, García-Fernández M, Zhou KJ, Kourkoutis LF, Brooks CM, Mundy JA, Dean MPM, Mitrano M. 2025. Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. Physical Review B. 111(16), 165145.","short":"S.F.R. Tenhuisen, G.A. Pan, Q. Song, D.R. Baykusheva, D. Ferenc Segedin, B.H. Goodge, H. Paik, J. Pelliciari, V. Bisogni, Y. Gu, S. Agrestini, A. Nag, M. García-Fernández, K.J. Zhou, L.F. Kourkoutis, C.M. Brooks, J.A. Mundy, M.P.M. Dean, M. Mitrano, Physical Review B 111 (2025).","apa":"Tenhuisen, S. F. R., Pan, G. A., Song, Q., Baykusheva, D. R., Ferenc Segedin, D., Goodge, B. H., … Mitrano, M. (2025). Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.111.165145\">https://doi.org/10.1103/PhysRevB.111.165145</a>","chicago":"Tenhuisen, Sophia F.R., Grace A. Pan, Qi Song, Denitsa Rangelova Baykusheva, Dan Ferenc Segedin, Berit H. Goodge, Hanjong Paik, et al. “Magnetic Excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper Nickelates Observed via Resonant Inelastic x-Ray Scattering.” <i>Physical Review B</i>. American Physical Society, 2025. <a href=\"https://doi.org/10.1103/PhysRevB.111.165145\">https://doi.org/10.1103/PhysRevB.111.165145</a>.","ama":"Tenhuisen SFR, Pan GA, Song Q, et al. Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering. <i>Physical Review B</i>. 2025;111(16). doi:<a href=\"https://doi.org/10.1103/PhysRevB.111.165145\">10.1103/PhysRevB.111.165145</a>","ieee":"S. F. R. Tenhuisen <i>et al.</i>, “Magnetic excitations in Ndn+1Nin O3n+1 Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering,” <i>Physical Review B</i>, vol. 111, no. 16. American Physical Society, 2025."},"scopus_import":"1","doi":"10.1103/PhysRevB.111.165145","oa":1,"publication_status":"published","intvolume":"       111","author":[{"last_name":"Tenhuisen","first_name":"Sophia F.R.","full_name":"Tenhuisen, Sophia F.R."},{"first_name":"Grace A.","last_name":"Pan","full_name":"Pan, Grace A."},{"last_name":"Song","first_name":"Qi","full_name":"Song, Qi"},{"orcid":"0000-0002-7438-1139","first_name":"Denitsa Rangelova","last_name":"Baykusheva","full_name":"Baykusheva, Denitsa Rangelova","id":"71b4d059-2a03-11ee-914d-dfa3beed6530"},{"full_name":"Ferenc Segedin, Dan","first_name":"Dan","last_name":"Ferenc Segedin"},{"first_name":"Berit H.","last_name":"Goodge","full_name":"Goodge, Berit H."},{"full_name":"Paik, Hanjong","first_name":"Hanjong","last_name":"Paik"},{"first_name":"Jonathan","last_name":"Pelliciari","full_name":"Pelliciari, Jonathan"},{"full_name":"Bisogni, Valentina","last_name":"Bisogni","first_name":"Valentina"},{"full_name":"Gu, Yanhong","last_name":"Gu","first_name":"Yanhong"},{"full_name":"Agrestini, Stefano","first_name":"Stefano","last_name":"Agrestini"},{"first_name":"Abhishek","last_name":"Nag","full_name":"Nag, Abhishek"},{"first_name":"Mirian","last_name":"García-Fernández","full_name":"García-Fernández, Mirian"},{"full_name":"Zhou, Ke Jin","last_name":"Zhou","first_name":"Ke Jin"},{"full_name":"Kourkoutis, Lena F.","first_name":"Lena F.","last_name":"Kourkoutis"},{"full_name":"Brooks, Charles M.","first_name":"Charles M.","last_name":"Brooks"},{"first_name":"Julia A.","last_name":"Mundy","full_name":"Mundy, Julia A."},{"full_name":"Dean, Mark P.M.","last_name":"Dean","first_name":"Mark P.M."},{"first_name":"Matteo","last_name":"Mitrano","full_name":"Mitrano, Matteo"}],"language":[{"iso":"eng"}],"date_created":"2025-05-04T22:02:31Z","article_type":"original","year":"2025","OA_place":"repository","publication":"Physical Review B","day":"15","department":[{"_id":"DeBa"}],"issue":"16","_id":"19639","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87"},{"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2308.03852"}],"publisher":"American Physical Society","oa_version":"Preprint","article_number":"014102","abstract":[{"text":"We study a linear rotor in a bosonic bath within the angulon formalism. Our focus is on systems where isotropic or anisotropic impurity-boson interactions support a shallow bound state. To study the fate of the angulon in the vicinity of bound-state formation, we formulate a beyond-linear-coupling angulon Hamiltonian. First, we use it to study attractive, spherically symmetric impurity-boson interactions for which the linear rotor can be mapped onto a static impurity. The well-known polaron formalism provides an adequate description in this limit. Second, we consider anisotropic potentials, and show that the presence of a shallow bound state with pronounced anisotropic character leads to a many-body instability that washes out the angulon dynamics.","lang":"eng"}],"scopus_import":"1","citation":{"ama":"Dome T, Volosniev A, Ghazaryan A, Safari L, Schmidt R, Lemeshko M. Linear rotor in an ideal Bose gas near the threshold for binding. <i>Physical Review B</i>. 2024;109(1). doi:<a href=\"https://doi.org/10.1103/PhysRevB.109.014102\">10.1103/PhysRevB.109.014102</a>","ieee":"T. Dome, A. Volosniev, A. Ghazaryan, L. Safari, R. Schmidt, and M. Lemeshko, “Linear rotor in an ideal Bose gas near the threshold for binding,” <i>Physical Review B</i>, vol. 109, no. 1. American Physical Society, 2024.","ista":"Dome T, Volosniev A, Ghazaryan A, Safari L, Schmidt R, Lemeshko M. 2024. Linear rotor in an ideal Bose gas near the threshold for binding. Physical Review B. 109(1), 014102.","short":"T. Dome, A. Volosniev, A. Ghazaryan, L. Safari, R. Schmidt, M. Lemeshko, Physical Review B 109 (2024).","mla":"Dome, Tibor, et al. “Linear Rotor in an Ideal Bose Gas near the Threshold for Binding.” <i>Physical Review B</i>, vol. 109, no. 1, 014102, American Physical Society, 2024, doi:<a href=\"https://doi.org/10.1103/PhysRevB.109.014102\">10.1103/PhysRevB.109.014102</a>.","chicago":"Dome, Tibor, Artem Volosniev, Areg Ghazaryan, Laleh Safari, Richard Schmidt, and Mikhail Lemeshko. “Linear Rotor in an Ideal Bose Gas near the Threshold for Binding.” <i>Physical Review B</i>. American Physical Society, 2024. <a href=\"https://doi.org/10.1103/PhysRevB.109.014102\">https://doi.org/10.1103/PhysRevB.109.014102</a>.","apa":"Dome, T., Volosniev, A., Ghazaryan, A., Safari, L., Schmidt, R., &#38; Lemeshko, M. (2024). Linear rotor in an ideal Bose gas near the threshold for binding. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.109.014102\">https://doi.org/10.1103/PhysRevB.109.014102</a>"},"status":"public","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","OA_type":"green","isi":1,"acknowledgement":"We would like to thank G. Bighin, I. Cherepanov, E. Paerschke, and E. Yakaboylu for insightful discussions on a wide range of topics. This work has been supported by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). A.G. and A.G.V. acknowledge support from the European Union’s Horizon 2020 research and innovation\r\nprogram under the Marie Skłodowska-Curie Grant Agreement No. 754411. Numerical calculations were performed on the Euler cluster managed by the HPC team at ETH Zurich.\r\nR.S. acknowledges support by the Deutsche Forschungsgemeinschaft under Germany’s Excellence Strategy Grant No. EXC 2181/1-390900948 (the Heidelberg STRUCTURES Excellence Cluster). T.D. acknowledges support from the Isaac Newton Studentship and the Science and Technology Facilities Council under Grant No. ST/V50659X/1.","arxiv":1,"date_published":"2024-01-01T00:00:00Z","article_processing_charge":"No","title":"Linear rotor in an ideal Bose gas near the threshold for binding","volume":109,"month":"01","quality_controlled":"1","date_updated":"2025-09-04T11:49:14Z","external_id":{"isi":["001172754500002"],"arxiv":["2308.03852"]},"department":[{"_id":"MiLe"}],"ec_funded":1,"issue":"1","_id":"14845","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","publication":"Physical Review B","OA_place":"repository","corr_author":"1","day":"01","article_type":"original","date_created":"2024-01-21T23:00:57Z","year":"2024","intvolume":"       109","project":[{"grant_number":"801770","_id":"2688CF98-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"Angulon: physics and applications of a new quasiparticle"},{"_id":"260C2330-B435-11E9-9278-68D0E5697425","grant_number":"754411","call_identifier":"H2020","name":"ISTplus - Postdoctoral Fellowships"}],"doi":"10.1103/PhysRevB.109.014102","oa":1,"publication_status":"published","author":[{"last_name":"Dome","first_name":"Tibor","orcid":"0000-0003-2586-3702","id":"7e3293e2-b9dc-11ee-97a9-cd73400f6994","full_name":"Dome, Tibor"},{"full_name":"Volosniev, Artem","id":"37D278BC-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-0393-5525","last_name":"Volosniev","first_name":"Artem"},{"first_name":"Areg","last_name":"Ghazaryan","orcid":"0000-0001-9666-3543","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","full_name":"Ghazaryan, Areg"},{"first_name":"Laleh","last_name":"Safari","id":"3C325E5E-F248-11E8-B48F-1D18A9856A87","full_name":"Safari, Laleh"},{"full_name":"Schmidt, Richard","last_name":"Schmidt","first_name":"Richard"},{"full_name":"Lemeshko, Mikhail","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko"}],"language":[{"iso":"eng"}]},{"publisher":"American Physical Society","oa_version":"None","abstract":[{"text":"Magnetic frustration allows to access novel and intriguing properties of magnetic systems and has been explored mainly in planar triangular-like arrays of magnetic ions. In this work, we describe the phosphide Ce6Ni6P17, where the Ce+3 ions accommodate in a body-centered cubic lattice of Ce6 regular octahedra. From measurements of magnetization, specific heat, and resistivity, we determine a rich phase diagram as a function of temperature and magnetic field in which different magnetic phases are found. Besides clear evidence of magnetic frustration is obtained from entropy analysis. At zero field, a second-order antiferromagnetic transition occurs at TN1≈1 K followed by a first-order transition at TN2≈0.45 K. With magnetic field new magnetic phases appear, including a weakly first-order transition which ends in a classical critical point and a third magnetic phase. We also study the exact solution of the spin-1/2 Heisenberg model in an octahedron which allows us a qualitative understanding of the phase diagram and compare with the experimental results.","lang":"eng"}],"scopus_import":"1","article_number":"054405","citation":{"apa":"Franco, D. G., Avalos, R., Hafner, D., Modic, K. A., Prots, Y., Stockert, O., … Geibel, C. (2024). Frustrated magnetism in octahedra-based Ce6 Ni6 P17. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.109.054405\">https://doi.org/10.1103/PhysRevB.109.054405</a>","chicago":"Franco, D. G., R. Avalos, D. Hafner, Kimberly A Modic, Yu Prots, O. Stockert, A. Hoser, et al. “Frustrated Magnetism in Octahedra-Based Ce6 Ni6 P17.” <i>Physical Review B</i>. American Physical Society, 2024. <a href=\"https://doi.org/10.1103/PhysRevB.109.054405\">https://doi.org/10.1103/PhysRevB.109.054405</a>.","mla":"Franco, D. G., et al. “Frustrated Magnetism in Octahedra-Based Ce6 Ni6 P17.” <i>Physical Review B</i>, vol. 109, no. 5, 054405, American Physical Society, 2024, doi:<a href=\"https://doi.org/10.1103/PhysRevB.109.054405\">10.1103/PhysRevB.109.054405</a>.","short":"D.G. Franco, R. Avalos, D. Hafner, K.A. Modic, Y. Prots, O. Stockert, A. Hoser, P.J.W. Moll, M. Brando, A.A. Aligia, C. Geibel, Physical Review B 109 (2024).","ista":"Franco DG, Avalos R, Hafner D, Modic KA, Prots Y, Stockert O, Hoser A, Moll PJW, Brando M, Aligia AA, Geibel C. 2024. Frustrated magnetism in octahedra-based Ce6 Ni6 P17. Physical Review B. 109(5), 054405.","ieee":"D. G. Franco <i>et al.</i>, “Frustrated magnetism in octahedra-based Ce6 Ni6 P17,” <i>Physical Review B</i>, vol. 109, no. 5. American Physical Society, 2024.","ama":"Franco DG, Avalos R, Hafner D, et al. Frustrated magnetism in octahedra-based Ce6 Ni6 P17. <i>Physical Review B</i>. 2024;109(5). doi:<a href=\"https://doi.org/10.1103/PhysRevB.109.054405\">10.1103/PhysRevB.109.054405</a>"},"publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","status":"public","title":"Frustrated magnetism in octahedra-based Ce6 Ni6 P17","acknowledgement":"The authors thank Bernardo Pentke for the SEM micrographs (Departamento Fisicoquímica de Materiales CABCNEA). We are indebted to Julián Sereni for useful discussions. D. G. F. acknowledges financial support provided by Agencia I+D+i, Argentina, Grant No. PICT-2021-I-INVI00852 and Universidad Nacional de Cuyo (SIIP) Grant No. 06/C018-T1. A. A. A. acknowledges financial support provided by PICT 2018-01546 and PICT 2020A-03661 of the\r\nAgencia I+D+i. ","isi":1,"article_processing_charge":"No","date_published":"2024-02-01T00:00:00Z","volume":109,"month":"02","external_id":{"isi":["001198571800008"]},"quality_controlled":"1","date_updated":"2025-09-04T12:05:01Z","issue":"5","department":[{"_id":"KiMo"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","_id":"15003","publication":"Physical Review B","day":"01","date_created":"2024-02-18T23:01:01Z","article_type":"original","year":"2024","doi":"10.1103/PhysRevB.109.054405","publication_status":"published","intvolume":"       109","author":[{"last_name":"Franco","first_name":"D. G.","full_name":"Franco, D. G."},{"full_name":"Avalos, R.","first_name":"R.","last_name":"Avalos"},{"last_name":"Hafner","first_name":"D.","full_name":"Hafner, D."},{"orcid":"0000-0001-9760-3147","first_name":"Kimberly A","last_name":"Modic","full_name":"Modic, Kimberly A","id":"13C26AC0-EB69-11E9-87C6-5F3BE6697425"},{"last_name":"Prots","first_name":"Yu","full_name":"Prots, Yu"},{"full_name":"Stockert, O.","last_name":"Stockert","first_name":"O."},{"full_name":"Hoser, A.","first_name":"A.","last_name":"Hoser"},{"last_name":"Moll","first_name":"P. J.W.","full_name":"Moll, P. J.W."},{"first_name":"M.","last_name":"Brando","full_name":"Brando, M."},{"full_name":"Aligia, A. A.","last_name":"Aligia","first_name":"A. A."},{"first_name":"C.","last_name":"Geibel","full_name":"Geibel, C."}],"language":[{"iso":"eng"}]},{"oa":1,"publication_status":"published","doi":"10.1103/PhysRevB.110.L201114","project":[{"_id":"34ac8b51-11ca-11ed-8bc3-86c15daa9f8f","grant_number":"F8607","name":"Center for Correlated Quantum Materials and Solid State Quantum Systems: Scale- invariance in entangled quantum spin systems"}],"intvolume":"       110","language":[{"iso":"eng"}],"author":[{"last_name":"Sato","first_name":"Toshihiro","full_name":"Sato, Toshihiro"},{"last_name":"Ramshaw","first_name":"B. J.","full_name":"Ramshaw, B. J."},{"orcid":"0000-0001-9760-3147","first_name":"Kimberly A","last_name":"Modic","full_name":"Modic, Kimberly A","id":"13C26AC0-EB69-11E9-87C6-5F3BE6697425"},{"full_name":"Assaad, Fakher F.","first_name":"Fakher F.","last_name":"Assaad"}],"date_created":"2024-12-15T23:01:50Z","article_type":"letter_note","year":"2024","OA_place":"repository","publication":"Physical Review B","day":"15","_id":"18654","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","issue":"20","department":[{"_id":"KiMo"}],"month":"11","external_id":{"isi":["001447562900001"],"arxiv":["2312.03080"]},"quality_controlled":"1","date_updated":"2025-09-09T11:48:35Z","title":"Scale-invariant magnetic anisotropy in α-RuCl3: A quantum Monte Carlo study","arxiv":1,"date_published":"2024-11-15T00:00:00Z","article_processing_charge":"No","acknowledgement":"We gratefully acknowledge the Gauss Centre for Supercomputing e.V. for funding this project by providing computing time on the GCS Supercomputer SUPERMUC-NG at the Leibniz Supercomputing Centre (Project No. pn73xu) as well as the scientific support and HPC resources provided by the Erlangen National High Performance Computing Center (NHR@FAU) of the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) under the NHR Project b133ae. NHR funding is provided by federal and Bavarian state authorities. NHR@FAU hardware is partially funded by the German Research Foundation (DFG) – 440719683. T.S. thanks funding from the Deutsche Forschungsgemeinschaft under Grant No. SA 3986/1-1 as well as the Würzburg-Dresden Cluster of Excellence on Complexity and Topology in Quantum Matter ct.qmat (EXC 2147, Project ID 390858490). F.F.A. acknowledges financial support from the German Research Foundation (DFG) under the Grant AS 120/16-1 (Project No. 493886309) that is part of the collaborative research project SFB Q-M&S funded by the Austrian Science Fund (FWF) F 86. K.A.M. thanks financial support from the Austrian Science Fund, SFB F 86, Q-M&S.","isi":1,"volume":110,"type":"journal_article","publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"status":"public","OA_type":"green","publisher":"American Physical Society","main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2312.03080","open_access":"1"}],"citation":{"ama":"Sato T, Ramshaw BJ, Modic KA, Assaad FF. Scale-invariant magnetic anisotropy in α-RuCl3: A quantum Monte Carlo study. <i>Physical Review B</i>. 2024;110(20). doi:<a href=\"https://doi.org/10.1103/PhysRevB.110.L201114\">10.1103/PhysRevB.110.L201114</a>","ieee":"T. Sato, B. J. Ramshaw, K. A. Modic, and F. F. Assaad, “Scale-invariant magnetic anisotropy in α-RuCl3: A quantum Monte Carlo study,” <i>Physical Review B</i>, vol. 110, no. 20. American Physical Society, 2024.","ista":"Sato T, Ramshaw BJ, Modic KA, Assaad FF. 2024. Scale-invariant magnetic anisotropy in α-RuCl3: A quantum Monte Carlo study. Physical Review B. 110(20), L201114.","short":"T. Sato, B.J. Ramshaw, K.A. Modic, F.F. Assaad, Physical Review B 110 (2024).","mla":"Sato, Toshihiro, et al. “Scale-Invariant Magnetic Anisotropy in α-RuCl3: A Quantum Monte Carlo Study.” <i>Physical Review B</i>, vol. 110, no. 20, L201114, American Physical Society, 2024, doi:<a href=\"https://doi.org/10.1103/PhysRevB.110.L201114\">10.1103/PhysRevB.110.L201114</a>.","chicago":"Sato, Toshihiro, B. J. Ramshaw, Kimberly A Modic, and Fakher F. Assaad. “Scale-Invariant Magnetic Anisotropy in α-RuCl3: A Quantum Monte Carlo Study.” <i>Physical Review B</i>. American Physical Society, 2024. <a href=\"https://doi.org/10.1103/PhysRevB.110.L201114\">https://doi.org/10.1103/PhysRevB.110.L201114</a>.","apa":"Sato, T., Ramshaw, B. J., Modic, K. A., &#38; Assaad, F. F. (2024). Scale-invariant magnetic anisotropy in α-RuCl3: A quantum Monte Carlo study. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.110.L201114\">https://doi.org/10.1103/PhysRevB.110.L201114</a>"},"article_number":"L201114","scopus_import":"1","abstract":[{"lang":"eng","text":"We compute the rotational anisotropy of the free energy of 𝛼−RuCl3 in an external magnetic field. This quantity, known as the magnetotropic susceptibility, 𝑘, relates to the second derivative of the free energy with respect to the angle of rotation. We have used approximation-free, auxiliary-field quantum Monte Carlo simulations for a realistic model of 𝛼−RuCl3 and optimized the path integral to alleviate the negative sign problem. This allows us to reach temperatures down to 30K—an energy scale below the dominant Kitaev coupling. We demonstrate that the magnetotropic spin susceptibility in this model of 𝛼−RuCl3 displays scaling behavior 𝑘=𝑇⁢𝑓⁡(𝐵/𝑇) at high temperatures. Once the uniform susceptibility departs from the Curie law (i.e., at the energy scale of the exchange interactions), it appears to transition to an emergent scalinglike behavior, characterized by a different function 𝑓 at lower temperatures, stemming from the locality of torque fluctuations. We observe a remarkable numerical match between experiment and simulations and we also find qualitative agreement with the pure Kitaev model. In comparison, for the XXZ Heisenberg Hamiltonian, the scaling 𝑘=𝑇⁢𝑓⁡(𝐵/𝑇) breaks down at a temperature scale where the uniform spin susceptibility deviates from the Curie law and never reemerges at low temperatures."}],"oa_version":"Preprint"},{"issue":"10","department":[{"_id":"MaSe"}],"ec_funded":1,"_id":"18110","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","day":"11","corr_author":"1","publication":"Physical Review B","year":"2024","date_created":"2024-09-22T22:01:42Z","article_type":"letter_note","author":[{"last_name":"Brighi","first_name":"Pietro","orcid":"0000-0002-7969-2729","id":"4115AF5C-F248-11E8-B48F-1D18A9856A87","full_name":"Brighi, Pietro"},{"last_name":"Ljubotina","first_name":"Marko","orcid":"0000-0003-0038-7068","id":"F75EE9BE-5C90-11EA-905D-16643DDC885E","full_name":"Ljubotina, Marko"}],"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevB.110.L100304","project":[{"grant_number":"850899","_id":"23841C26-32DE-11EA-91FC-C7463DDC885E","name":"Non-Ergodic Quantum Matter: Universality, Dynamics and Control","call_identifier":"H2020"}],"publication_status":"published","oa":1,"intvolume":"       110","oa_version":"Preprint","abstract":[{"text":"We study a chaotic particle-conserving kinetically constrained model, with a single parameter which allows us to break reflection symmetry. Through extensive numerical simulations we find that the domain wall state shows a variety of dynamical behaviors from localization all the way to ballistic transport, depending on the value of the reflection breaking parameter. Surprisingly, such anomalous behavior is not mirrored in infinite-temperature dynamics, which appear to scale diffusively, in line with expectations for generic interacting models. However, studying the particle density gradient, we show that the lack of reflection symmetry affects infinite-temperature dynamics, resulting in an asymmetric dynamical structure factor. This is in disagreement with normal diffusion and suggests that the model may also exhibit anomalous dynamics at infinite temperature in the thermodynamic limit. Finally, we observe low-entangled eigenstates in the spectrum of the model, a telltale sign of quantum many-body scars.","lang":"eng"}],"citation":{"ista":"Brighi P, Ljubotina M. 2024. Anomalous transport in the kinetically constrained quantum East-West model. Physical Review B. 110(10), L100304.","short":"P. Brighi, M. Ljubotina, Physical Review B 110 (2024).","mla":"Brighi, Pietro, and Marko Ljubotina. “Anomalous Transport in the Kinetically Constrained Quantum East-West Model.” <i>Physical Review B</i>, vol. 110, no. 10, L100304, American Physical Society, 2024, doi:<a href=\"https://doi.org/10.1103/PhysRevB.110.L100304\">10.1103/PhysRevB.110.L100304</a>.","chicago":"Brighi, Pietro, and Marko Ljubotina. “Anomalous Transport in the Kinetically Constrained Quantum East-West Model.” <i>Physical Review B</i>. American Physical Society, 2024. <a href=\"https://doi.org/10.1103/PhysRevB.110.L100304\">https://doi.org/10.1103/PhysRevB.110.L100304</a>.","apa":"Brighi, P., &#38; Ljubotina, M. (2024). Anomalous transport in the kinetically constrained quantum East-West model. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.110.L100304\">https://doi.org/10.1103/PhysRevB.110.L100304</a>","ama":"Brighi P, Ljubotina M. Anomalous transport in the kinetically constrained quantum East-West model. <i>Physical Review B</i>. 2024;110(10). doi:<a href=\"https://doi.org/10.1103/PhysRevB.110.L100304\">10.1103/PhysRevB.110.L100304</a>","ieee":"P. Brighi and M. Ljubotina, “Anomalous transport in the kinetically constrained quantum East-West model,” <i>Physical Review B</i>, vol. 110, no. 10. American Physical Society, 2024."},"article_number":"L100304","scopus_import":"1","publisher":"American Physical Society","main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2405.02102","open_access":"1"}],"publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"type":"journal_article","status":"public","volume":110,"title":"Anomalous transport in the kinetically constrained quantum East-West model","isi":1,"acknowledgement":"The authors acknowledge useful discussions with M. Serbyn, Z. Papic, and A. Nunnenkamp. ´\r\nP.B. is supported by the Erwin Schrödinger Center for Quantum Science & Technology (ESQ) of the Österreichische Akademie der Wissenschaften (ÖAW) under the Discovery Grant. M.L. acknowledges support from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Grant Agreement\r\nNo. 850899). The numerical simulations were performed using the ITensor library [68] on the Vienna Scientific Cluster (VSC).","date_published":"2024-09-11T00:00:00Z","arxiv":1,"article_processing_charge":"No","external_id":{"arxiv":["2405.02102"],"isi":["001361617100003"]},"quality_controlled":"1","date_updated":"2025-09-08T09:49:29Z","month":"09"},{"volume":109,"title":"Impact of strain-insensitive low-frequency phonon modes on lattice thermal transport in AxXB6-type perovskites","isi":1,"acknowledgement":"This work is supported by the Research Grants Council of Hong Kong (C7002-22Y and 17318122). The authors are grateful for the research computing facilities offered by\r\nITS, HKU. Z.Z. acknowledges the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 101034413.","article_processing_charge":"No","date_published":"2024-02-14T00:00:00Z","external_id":{"isi":["001198615900003"]},"quality_controlled":"1","date_updated":"2026-08-07T10:30:33Z","month":"02","oa_version":"None","citation":{"apa":"Cheng, R., Zeng, Z., Wang, C., Ouyang, N., &#38; Chen, Y. (2024). Impact of strain-insensitive low-frequency phonon modes on lattice thermal transport in AxXB6-type perovskites. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/physrevb.109.054305\">https://doi.org/10.1103/physrevb.109.054305</a>","chicago":"Cheng, Ruihuan, Zezhu Zeng, Chen Wang, Niuchang Ouyang, and Yue Chen. “Impact of Strain-Insensitive Low-Frequency Phonon Modes on Lattice Thermal Transport in AxXB6-Type Perovskites.” <i>Physical Review B</i>. American Physical Society, 2024. <a href=\"https://doi.org/10.1103/physrevb.109.054305\">https://doi.org/10.1103/physrevb.109.054305</a>.","mla":"Cheng, Ruihuan, et al. “Impact of Strain-Insensitive Low-Frequency Phonon Modes on Lattice Thermal Transport in AxXB6-Type Perovskites.” <i>Physical Review B</i>, vol. 109, no. 5, 054305, American Physical Society, 2024, doi:<a href=\"https://doi.org/10.1103/physrevb.109.054305\">10.1103/physrevb.109.054305</a>.","short":"R. Cheng, Z. Zeng, C. Wang, N. Ouyang, Y. Chen, Physical Review B 109 (2024).","ista":"Cheng R, Zeng Z, Wang C, Ouyang N, Chen Y. 2024. Impact of strain-insensitive low-frequency phonon modes on lattice thermal transport in AxXB6-type perovskites. Physical Review B. 109(5), 054305.","ieee":"R. Cheng, Z. Zeng, C. Wang, N. Ouyang, and Y. Chen, “Impact of strain-insensitive low-frequency phonon modes on lattice thermal transport in AxXB6-type perovskites,” <i>Physical Review B</i>, vol. 109, no. 5. American Physical Society, 2024.","ama":"Cheng R, Zeng Z, Wang C, Ouyang N, Chen Y. Impact of strain-insensitive low-frequency phonon modes on lattice thermal transport in AxXB6-type perovskites. <i>Physical Review B</i>. 2024;109(5). doi:<a href=\"https://doi.org/10.1103/physrevb.109.054305\">10.1103/physrevb.109.054305</a>"},"article_number":"054305","abstract":[{"lang":"eng","text":"Substrate induces mechanical strain on perovskite devices, which can result in alterations to its lattice dynamics and thermal transport. Herein, we have performed a theoretical investigation on the anharmonic lattice dynamics and thermal property of perovskite Rb2SnBr6 and Cs2SnBr6 under strains using perturbation theory up to the fourth-order terms and the unified thermal transport theory. We demonstrate a pronounced hardening of low-frequency optical phonons as temperature increases, indicating strong lattice anharmonicity and the necessity of adopting temperature-dependent interatomic force constants in the lattice thermal conductivity (\r\nκL) calculations. It is found that the low-lying optical phonon modes of Rb2SnBr6 are extremely soft and their phonon energies are almost strain independent, which ultimately lead to a lower \r\nκL and a weaker strain dependence than Cs2SnBr6. We further reveal that the strain dependence of these phonon modes in the A2XB6-type perovskites weakens as their ibrational frequency decreases. This study deepens the understanding of lattice thermal transport in perovskites A2XB6 and provides a perspective on the selection of materials that meet the expected thermal behaviors in practical applications."}],"scopus_import":"1","publisher":"American Physical Society","das_tickbox":"0","supplementarymaterial":"yes","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","status":"public","year":"2024","date_created":"2024-03-04T07:41:23Z","article_type":"original","author":[{"full_name":"Cheng, Ruihuan","last_name":"Cheng","first_name":"Ruihuan"},{"last_name":"Zeng","first_name":"Zezhu","orcid":"0000-0001-5126-4928","id":"54a2c730-803f-11ed-ab7e-95b29d2680e7","full_name":"Zeng, Zezhu"},{"full_name":"Wang, Chen","first_name":"Chen","last_name":"Wang"},{"full_name":"Ouyang, Niuchang","last_name":"Ouyang","first_name":"Niuchang"},{"first_name":"Yue","last_name":"Chen","full_name":"Chen, Yue"}],"language":[{"iso":"eng"}],"project":[{"call_identifier":"H2020","name":"IST-BRIDGE: International postdoctoral program","grant_number":"101034413","_id":"fc2ed2f7-9c52-11eb-aca3-c01059dda49c"}],"doi":"10.1103/physrevb.109.054305","publication_status":"published","intvolume":"       109","issue":"5","ec_funded":1,"department":[{"_id":"BiCh"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","_id":"15052","researchdata_availability":"no","day":"14","publication":"Physical Review B"},{"month":"03","quality_controlled":"1","date_updated":"2024-10-09T21:04:46Z","external_id":{"arxiv":["2204.04022"],"isi":["000972602200006"]},"date_published":"2023-03-15T00:00:00Z","arxiv":1,"article_processing_charge":"No","isi":1,"title":"Effective model for studying optical properties of lead halide perovskites","volume":107,"status":"public","type":"journal_article","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2204.04022"}],"publisher":"American Physical Society","citation":{"ama":"Volosniev A, Shiva Kumar A, Lorenc D, et al. Effective model for studying optical properties of lead halide perovskites. <i>Physical Review B</i>. 2023;107(12). doi:<a href=\"https://doi.org/10.1103/physrevb.107.125201\">10.1103/physrevb.107.125201</a>","ieee":"A. Volosniev <i>et al.</i>, “Effective model for studying optical properties of lead halide perovskites,” <i>Physical Review B</i>, vol. 107, no. 12. American Physical Society, 2023.","mla":"Volosniev, Artem, et al. “Effective Model for Studying Optical Properties of Lead Halide Perovskites.” <i>Physical Review B</i>, vol. 107, no. 12, 125201, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/physrevb.107.125201\">10.1103/physrevb.107.125201</a>.","ista":"Volosniev A, Shiva Kumar A, Lorenc D, Ashourishokri Y, Zhumekenov A, Bakr OM, Lemeshko M, Alpichshev Z. 2023. Effective model for studying optical properties of lead halide perovskites. Physical Review B. 107(12), 125201.","short":"A. Volosniev, A. Shiva Kumar, D. Lorenc, Y. Ashourishokri, A. Zhumekenov, O.M. Bakr, M. Lemeshko, Z. Alpichshev, Physical Review B 107 (2023).","apa":"Volosniev, A., Shiva Kumar, A., Lorenc, D., Ashourishokri, Y., Zhumekenov, A., Bakr, O. M., … Alpichshev, Z. (2023). Effective model for studying optical properties of lead halide perovskites. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/physrevb.107.125201\">https://doi.org/10.1103/physrevb.107.125201</a>","chicago":"Volosniev, Artem, Abhishek Shiva Kumar, Dusan Lorenc, Younes Ashourishokri, Ayan Zhumekenov, Osman M. Bakr, Mikhail Lemeshko, and Zhanybek Alpichshev. “Effective Model for Studying Optical Properties of Lead Halide Perovskites.” <i>Physical Review B</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/physrevb.107.125201\">https://doi.org/10.1103/physrevb.107.125201</a>."},"abstract":[{"lang":"eng","text":"We use general symmetry-based arguments to construct an effective model suitable for studying optical properties of lead halide perovskites. To build the model, we identify an atomic-level interaction between electromagnetic fields and the spin degree of freedom that should be added to a minimally coupled k⋅p Hamiltonian. As a first application, we study two basic optical characteristics of the material: the Verdet constant and the refractive index. Beyond these linear characteristics of the material, the model is suitable for calculating nonlinear effects such as the third-order optical susceptibility. Analysis of this quantity shows that the geometrical properties of the spin-electric term imply isotropic optical response of the system, and that optical anisotropy of lead halide perovskites is a manifestation of hopping of charge carriers. To illustrate this, we discuss third-harmonic generation."}],"scopus_import":"1","article_number":"125201","oa_version":"Preprint","intvolume":"       107","publication_status":"published","oa":1,"doi":"10.1103/physrevb.107.125201","language":[{"iso":"eng"}],"author":[{"id":"37D278BC-F248-11E8-B48F-1D18A9856A87","full_name":"Volosniev, Artem","last_name":"Volosniev","first_name":"Artem","orcid":"0000-0003-0393-5525"},{"last_name":"Shiva Kumar","first_name":"Abhishek","id":"5e9a6931-eb97-11eb-a6c2-e96f7058d77a","full_name":"Shiva Kumar, Abhishek"},{"id":"40D8A3E6-F248-11E8-B48F-1D18A9856A87","full_name":"Lorenc, Dusan","last_name":"Lorenc","first_name":"Dusan"},{"first_name":"Younes","last_name":"Ashourishokri","full_name":"Ashourishokri, Younes","id":"e32c111f-f6e0-11ea-865d-eb955baea334"},{"first_name":"Ayan","last_name":"Zhumekenov","full_name":"Zhumekenov, Ayan"},{"full_name":"Bakr, Osman M.","last_name":"Bakr","first_name":"Osman M."},{"full_name":"Lemeshko, Mikhail","id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-6990-7802","first_name":"Mikhail","last_name":"Lemeshko"},{"orcid":"0000-0002-7183-5203","last_name":"Alpichshev","first_name":"Zhanybek","full_name":"Alpichshev, Zhanybek","id":"45E67A2A-F248-11E8-B48F-1D18A9856A87"}],"article_type":"original","date_created":"2023-03-14T13:13:05Z","year":"2023","publication":"Physical Review B","corr_author":"1","day":"15","_id":"12724","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","department":[{"_id":"GradSch"},{"_id":"ZhAl"},{"_id":"MiLe"}],"issue":"12"},{"publication":"Physical Review B","day":"01","_id":"12790","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","department":[{"_id":"MaSe"},{"_id":"MiLe"}],"issue":"10","publication_status":"published","oa":1,"doi":"10.1103/PhysRevB.107.104502","intvolume":"       107","language":[{"iso":"eng"}],"author":[{"full_name":"Ghazaryan, Areg","id":"4AF46FD6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-9666-3543","last_name":"Ghazaryan","first_name":"Areg"},{"first_name":"Tobias","last_name":"Holder","full_name":"Holder, Tobias"},{"full_name":"Berg, Erez","last_name":"Berg","first_name":"Erez"},{"id":"47809E7E-F248-11E8-B48F-1D18A9856A87","full_name":"Serbyn, Maksym","first_name":"Maksym","last_name":"Serbyn","orcid":"0000-0002-2399-5827"}],"date_created":"2023-04-02T22:01:10Z","article_type":"original","year":"2023","type":"journal_article","publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"status":"public","related_material":{"link":[{"url":"https://ista.ac.at/en/news/reaching-superconductivity-layer-by-layer/","description":"News on the ISTA website","relation":"press_release"}]},"publisher":"American Physical Society","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2211.02492"}],"article_number":"104502","scopus_import":"1","abstract":[{"lang":"eng","text":"Motivated by the recent discoveries of superconductivity in bilayer and trilayer graphene, we theoretically investigate superconductivity and other interaction-driven phases in multilayer graphene stacks. To this end, we study the density of states of multilayer graphene with up to four layers at the single-particle band structure level in the presence of a transverse electric field. Among the considered structures, tetralayer graphene with rhombohedral (ABCA) stacking reaches the highest density of states. We study the phases that can arise in ABCA graphene by tuning the carrier density and transverse electric field. For a broad region of the tuning parameters, the presence of strong Coulomb repulsion leads to a spontaneous spin and valley symmetry breaking via Stoner transitions. Using a model that incorporates the spontaneous spin and valley polarization, we explore the Kohn-Luttinger mechanism for superconductivity driven by repulsive Coulomb interactions. We find that the strongest superconducting instability is in the p-wave channel, and occurs in proximity to the onset of Stoner transitions. Interestingly, we find a range of densities and transverse electric fields where superconductivity develops out of a strongly corrugated, singly connected Fermi surface in each valley, leading to a topologically nontrivial chiral p+ip superconducting state with an even number of copropagating chiral Majorana edge modes. Our work establishes ABCA-stacked tetralayer graphene as a promising platform for observing strongly correlated physics and topological superconductivity."}],"citation":{"ieee":"A. Ghazaryan, T. Holder, E. Berg, and M. Serbyn, “Multilayer graphenes as a platform for interaction-driven physics and topological superconductivity,” <i>Physical Review B</i>, vol. 107, no. 10. American Physical Society, 2023.","ama":"Ghazaryan A, Holder T, Berg E, Serbyn M. Multilayer graphenes as a platform for interaction-driven physics and topological superconductivity. <i>Physical Review B</i>. 2023;107(10). doi:<a href=\"https://doi.org/10.1103/PhysRevB.107.104502\">10.1103/PhysRevB.107.104502</a>","chicago":"Ghazaryan, Areg, Tobias Holder, Erez Berg, and Maksym Serbyn. “Multilayer Graphenes as a Platform for Interaction-Driven Physics and Topological Superconductivity.” <i>Physical Review B</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevB.107.104502\">https://doi.org/10.1103/PhysRevB.107.104502</a>.","apa":"Ghazaryan, A., Holder, T., Berg, E., &#38; Serbyn, M. (2023). Multilayer graphenes as a platform for interaction-driven physics and topological superconductivity. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.107.104502\">https://doi.org/10.1103/PhysRevB.107.104502</a>","short":"A. Ghazaryan, T. Holder, E. Berg, M. Serbyn, Physical Review B 107 (2023).","ista":"Ghazaryan A, Holder T, Berg E, Serbyn M. 2023. Multilayer graphenes as a platform for interaction-driven physics and topological superconductivity. Physical Review B. 107(10), 104502.","mla":"Ghazaryan, Areg, et al. “Multilayer Graphenes as a Platform for Interaction-Driven Physics and Topological Superconductivity.” <i>Physical Review B</i>, vol. 107, no. 10, 104502, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevB.107.104502\">10.1103/PhysRevB.107.104502</a>."},"oa_version":"Preprint","month":"03","external_id":{"arxiv":["2211.02492"],"isi":["000945526400003"]},"date_updated":"2023-08-01T13:59:29Z","quality_controlled":"1","title":"Multilayer graphenes as a platform for interaction-driven physics and topological superconductivity","article_processing_charge":"No","date_published":"2023-03-01T00:00:00Z","arxiv":1,"isi":1,"acknowledgement":"E.B. and T.H. were supported by the European Research Council (ERC) under grant HQMAT (Grant Agreement No. 817799), by the Israel-USA Binational Science Foundation (BSF), and by a Research grant from Irving and Cherna Moskowitz.","volume":107},{"scopus_import":"1","article_number":"184312","citation":{"ama":"Orlov P, Tiutiakina A, Sharipov R, Petrova E, Gritsev V, Kurlov DV. Adiabatic eigenstate deformations and weak integrability breaking of Heisenberg chain. <i>Physical Review B</i>. 2023;107(18). doi:<a href=\"https://doi.org/10.1103/PhysRevB.107.184312\">10.1103/PhysRevB.107.184312</a>","ieee":"P. Orlov, A. Tiutiakina, R. Sharipov, E. Petrova, V. Gritsev, and D. V. Kurlov, “Adiabatic eigenstate deformations and weak integrability breaking of Heisenberg chain,” <i>Physical Review B</i>, vol. 107, no. 18. American Physical Society, 2023.","ista":"Orlov P, Tiutiakina A, Sharipov R, Petrova E, Gritsev V, Kurlov DV. 2023. Adiabatic eigenstate deformations and weak integrability breaking of Heisenberg chain. Physical Review B. 107(18), 184312.","short":"P. Orlov, A. Tiutiakina, R. Sharipov, E. Petrova, V. Gritsev, D.V. Kurlov, Physical Review B 107 (2023).","mla":"Orlov, Pavel, et al. “Adiabatic Eigenstate Deformations and Weak Integrability Breaking of Heisenberg Chain.” <i>Physical Review B</i>, vol. 107, no. 18, 184312, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevB.107.184312\">10.1103/PhysRevB.107.184312</a>.","chicago":"Orlov, Pavel, Anastasiia Tiutiakina, Rustem Sharipov, Elena Petrova, Vladimir Gritsev, and Denis V. Kurlov. “Adiabatic Eigenstate Deformations and Weak Integrability Breaking of Heisenberg Chain.” <i>Physical Review B</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevB.107.184312\">https://doi.org/10.1103/PhysRevB.107.184312</a>.","apa":"Orlov, P., Tiutiakina, A., Sharipov, R., Petrova, E., Gritsev, V., &#38; Kurlov, D. V. (2023). Adiabatic eigenstate deformations and weak integrability breaking of Heisenberg chain. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.107.184312\">https://doi.org/10.1103/PhysRevB.107.184312</a>"},"abstract":[{"lang":"eng","text":"We consider the spin-\r\n1\r\n2\r\n Heisenberg chain (XXX model) weakly perturbed away from integrability by an isotropic next-to-nearest neighbor exchange interaction. Recently, it was conjectured that this model possesses an infinite tower of quasiconserved integrals of motion (charges) [D. Kurlov et al., Phys. Rev. B 105, 104302 (2022)]. In this work we first test this conjecture by investigating how the norm of the adiabatic gauge potential (AGP) scales with the system size, which is known to be a remarkably accurate measure of chaos. We find that for the perturbed XXX chain the behavior of the AGP norm corresponds to neither an integrable nor a chaotic regime, which supports the conjectured quasi-integrability of the model. We then prove the conjecture and explicitly construct the infinite set of quasiconserved charges. Our proof relies on the fact that the XXX chain perturbed by next-to-nearest exchange interaction can be viewed as a truncation of an integrable long-range deformation of the Heisenberg spin chain."}],"oa_version":"Preprint","publisher":"American Physical Society","main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2303.00729","open_access":"1"}],"type":"journal_article","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"status":"public","volume":107,"title":"Adiabatic eigenstate deformations and weak integrability breaking of Heisenberg chain","article_processing_charge":"No","date_published":"2023-05-01T00:00:00Z","arxiv":1,"isi":1,"acknowledgement":"The numerical computations in this work were performed using QuSpin [83, 84]. We acknowledge useful discussions with Igor Aleiner, Boris Altshuler, Jacopo de Nardis, Anatoli Polkovnikov, and Gora Shlyapnikov. We thank Piotr Sierant and Dario Rosa for drawing our attention to Refs. [31, 42, 46] and Ref. [47], respectively. We are grateful to an anonymous referee for very useful comments and for drawing our attention to Refs. [80, 81]. The work of VG is part of the DeltaITP consortium, a program of the Netherlands Organization for Scientific\r\nResearch (NWO) funded by the Dutch Ministry of Education, Culture and Science (OCW). VG is also partially supported by RSF 19-71-10092. The work of AT was supported by the ERC Starting Grant 101042293 (HEPIQ). RS acknowledges support from Slovenian Research Agency (ARRS) - research programme P1-0402. ","external_id":{"arxiv":["2303.00729"],"isi":["001003686900004"]},"date_updated":"2023-08-02T06:16:02Z","quality_controlled":"1","month":"05","_id":"13138","user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","issue":"18","department":[{"_id":"GradSch"}],"day":"01","publication":"Physical Review B","year":"2023","date_created":"2023-06-18T22:00:46Z","article_type":"original","language":[{"iso":"eng"}],"author":[{"full_name":"Orlov, Pavel","last_name":"Orlov","first_name":"Pavel"},{"first_name":"Anastasiia","last_name":"Tiutiakina","full_name":"Tiutiakina, Anastasiia"},{"full_name":"Sharipov, Rustem","last_name":"Sharipov","first_name":"Rustem"},{"first_name":"Elena","last_name":"Petrova","full_name":"Petrova, Elena","id":"0ac84990-897b-11ed-a09c-f5abb56a4ede"},{"first_name":"Vladimir","last_name":"Gritsev","full_name":"Gritsev, Vladimir"},{"last_name":"Kurlov","first_name":"Denis V.","full_name":"Kurlov, Denis V."}],"oa":1,"publication_status":"published","doi":"10.1103/PhysRevB.107.184312","intvolume":"       107"},{"acknowledgement":"We thank Aharon Kapitulnik, Philip Moll, and Andreas Rydh for illuminating discussions. The work at the Los Alamos National Laboratory is supported by National Science Foundation Cooperative Agreements No. DMR-1157490 and No. DMR-1644779, the state of Florida, and the U.S. Department of Energy. A.S. acknowledges support from the DOE/BES Science of 100T grant. B.J.R. acknowledges funding from the National Science Foundation under Grant No.\r\nDMR-1752784.","isi":1,"article_processing_charge":"No","arxiv":1,"date_published":"2023-07-15T00:00:00Z","title":"Magnetotropic susceptibility","volume":108,"month":"07","quality_controlled":"1","date_updated":"2023-12-13T11:58:57Z","external_id":{"arxiv":["2208.10038"],"isi":["001062708600002"]},"main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2208.10038"}],"publisher":"American Physical Society","oa_version":"Preprint","citation":{"ieee":"A. Shekhter, R. D. Mcdonald, B. J. Ramshaw, and K. A. Modic, “Magnetotropic susceptibility,” <i>Physical Review B</i>, vol. 108, no. 3. American Physical Society, 2023.","ama":"Shekhter A, Mcdonald RD, Ramshaw BJ, Modic KA. Magnetotropic susceptibility. <i>Physical Review B</i>. 2023;108(3). doi:<a href=\"https://doi.org/10.1103/PhysRevB.108.035111\">10.1103/PhysRevB.108.035111</a>","apa":"Shekhter, A., Mcdonald, R. D., Ramshaw, B. J., &#38; Modic, K. A. (2023). Magnetotropic susceptibility. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.108.035111\">https://doi.org/10.1103/PhysRevB.108.035111</a>","chicago":"Shekhter, A., R. D. Mcdonald, B. J. Ramshaw, and Kimberly A Modic. “Magnetotropic Susceptibility.” <i>Physical Review B</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevB.108.035111\">https://doi.org/10.1103/PhysRevB.108.035111</a>.","mla":"Shekhter, A., et al. “Magnetotropic Susceptibility.” <i>Physical Review B</i>, vol. 108, no. 3, 035111, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevB.108.035111\">10.1103/PhysRevB.108.035111</a>.","short":"A. Shekhter, R.D. Mcdonald, B.J. Ramshaw, K.A. Modic, Physical Review B 108 (2023).","ista":"Shekhter A, Mcdonald RD, Ramshaw BJ, Modic KA. 2023. Magnetotropic susceptibility. Physical Review B. 108(3), 035111."},"scopus_import":"1","article_number":"035111","abstract":[{"lang":"eng","text":"The magnetotropic susceptibility is the thermodynamic coefficient associated with the rotational anisotropy of the free energy in an external magnetic field and is closely related to the magnetic susceptibility. It emerges naturally in frequency-shift measurements of oscillating mechanical cantilevers, which are becoming an increasingly important tool in the quantitative study of the thermodynamics of modern condensed-matter systems. Here we discuss the basic properties of the magnetotropic susceptibility as they relate to the experimental aspects of frequency-shift measurements, as well as to the interpretation of those experiments in terms of the intrinsic properties of the system under study."}],"status":"public","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","article_type":"original","date_created":"2023-07-23T22:01:10Z","year":"2023","intvolume":"       108","doi":"10.1103/PhysRevB.108.035111","publication_status":"published","oa":1,"author":[{"full_name":"Shekhter, A.","first_name":"A.","last_name":"Shekhter"},{"full_name":"Mcdonald, R. D.","last_name":"Mcdonald","first_name":"R. D."},{"full_name":"Ramshaw, B. J.","first_name":"B. J.","last_name":"Ramshaw"},{"id":"13C26AC0-EB69-11E9-87C6-5F3BE6697425","full_name":"Modic, Kimberly A","last_name":"Modic","first_name":"Kimberly A","orcid":"0000-0001-9760-3147"}],"language":[{"iso":"eng"}],"issue":"3","department":[{"_id":"KiMo"}],"_id":"13257","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication":"Physical Review B","day":"15"},{"author":[{"id":"4115AF5C-F248-11E8-B48F-1D18A9856A87","full_name":"Brighi, Pietro","last_name":"Brighi","first_name":"Pietro","orcid":"0000-0002-7969-2729"},{"full_name":"Ljubotina, Marko","id":"F75EE9BE-5C90-11EA-905D-16643DDC885E","orcid":"0000-0003-0038-7068","first_name":"Marko","last_name":"Ljubotina"},{"first_name":"Dmitry A.","last_name":"Abanin","full_name":"Abanin, Dmitry A."},{"id":"47809E7E-F248-11E8-B48F-1D18A9856A87","full_name":"Serbyn, Maksym","last_name":"Serbyn","first_name":"Maksym","orcid":"0000-0002-2399-5827"}],"language":[{"iso":"eng"}],"ddc":["530"],"file_date_updated":"2023-08-07T09:48:08Z","intvolume":"       108","file":[{"file_name":"2023_PhysRevB_Brighi.pdf","access_level":"open_access","checksum":"f763000339b5fd543c14377109920690","creator":"dernst","success":1,"file_id":"13981","date_created":"2023-08-07T09:48:08Z","date_updated":"2023-08-07T09:48:08Z","relation":"main_file","content_type":"application/pdf","file_size":3051398}],"project":[{"name":"Non-Ergodic Quantum Matter: Universality, Dynamics and Control","call_identifier":"H2020","_id":"23841C26-32DE-11EA-91FC-C7463DDC885E","grant_number":"850899"}],"doi":"10.1103/physrevb.108.054201","publication_status":"published","oa":1,"year":"2023","article_type":"original","date_created":"2023-08-05T18:25:22Z","day":"01","publication":"Physical Review B","corr_author":"1","issue":"5","department":[{"_id":"MaSe"}],"ec_funded":1,"_id":"13963","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","has_accepted_license":"1","tmp":{"short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"},"date_updated":"2025-04-14T07:52:06Z","quality_controlled":"1","external_id":{"arxiv":["2303.16876"]},"month":"08","volume":108,"acknowledgement":"We thank A. A. Michailidis and A. Mirlin for insightful discussions. P.B., M.L., and M.S. acknowledge support by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 850899). D.A. was\r\nsupported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 864597) and by the Swiss National Science Foundation. P.B., M.L., and M.S. acknowledge PRACE for awarding us access to Joliot-Curie at GENCI@CEA, France, where the TEBD simulations were performed. The TEBD simulations were performed using the ITensor library [60].","date_published":"2023-08-01T00:00:00Z","article_processing_charge":"Yes (in subscription journal)","arxiv":1,"title":"Many-body localization proximity effect in a two-species bosonic Hubbard model","status":"public","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"type":"journal_article","oa_version":"Published Version","article_number":"054201","citation":{"short":"P. Brighi, M. Ljubotina, D.A. Abanin, M. Serbyn, Physical Review B 108 (2023).","ista":"Brighi P, Ljubotina M, Abanin DA, Serbyn M. 2023. Many-body localization proximity effect in a two-species bosonic Hubbard model. Physical Review B. 108(5), 054201.","mla":"Brighi, Pietro, et al. “Many-Body Localization Proximity Effect in a Two-Species Bosonic Hubbard Model.” <i>Physical Review B</i>, vol. 108, no. 5, 054201, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/physrevb.108.054201\">10.1103/physrevb.108.054201</a>.","chicago":"Brighi, Pietro, Marko Ljubotina, Dmitry A. Abanin, and Maksym Serbyn. “Many-Body Localization Proximity Effect in a Two-Species Bosonic Hubbard Model.” <i>Physical Review B</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/physrevb.108.054201\">https://doi.org/10.1103/physrevb.108.054201</a>.","apa":"Brighi, P., Ljubotina, M., Abanin, D. A., &#38; Serbyn, M. (2023). Many-body localization proximity effect in a two-species bosonic Hubbard model. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/physrevb.108.054201\">https://doi.org/10.1103/physrevb.108.054201</a>","ama":"Brighi P, Ljubotina M, Abanin DA, Serbyn M. Many-body localization proximity effect in a two-species bosonic Hubbard model. <i>Physical Review B</i>. 2023;108(5). doi:<a href=\"https://doi.org/10.1103/physrevb.108.054201\">10.1103/physrevb.108.054201</a>","ieee":"P. Brighi, M. Ljubotina, D. A. Abanin, and M. Serbyn, “Many-body localization proximity effect in a two-species bosonic Hubbard model,” <i>Physical Review B</i>, vol. 108, no. 5. American Physical Society, 2023."},"scopus_import":"1","abstract":[{"text":"The many-body localization (MBL) proximity effect is an intriguing phenomenon where a thermal bath localizes due to the interaction with a disordered system. The interplay of thermal and nonergodic behavior in these systems gives rise to a rich phase diagram, whose exploration is an active field of research. In this paper, we study a bosonic Hubbard model featuring two particle species representing the bath and the disordered system. Using state-of-the-art numerical techniques, we investigate the dynamics of the model in different regimes, based on which we obtain a tentative phase diagram as a function of coupling strength and bath size. When the bath is composed of a single particle, we observe clear signatures of a transition from an MBL proximity effect to a delocalized phase. Increasing the bath size, however, its thermalizing effect becomes stronger and eventually the whole system delocalizes in the range of moderate interaction strengths studied. In this regime, we characterize particle transport, revealing diffusive behavior of the originally localized bosons.","lang":"eng"}],"publisher":"American Physical Society"},{"title":"Diagrammatic Monte Carlo for electronic correlation in molecules: High-order many-body perturbation theory with low scaling","arxiv":1,"date_published":"2023-07-15T00:00:00Z","article_processing_charge":"No","isi":1,"acknowledgement":"We acknowledge stimulating discussions with Sergey Varganov, Artur Izmaylov, Jacek Kłos, Piotr Żuchowski, Dominika Zgid, Nikolay Prokof'ev, Boris Svistunov, Robert Parrish, and Andreas Heßelmann. G.B. and Q.P.H. acknowledge support from the Austrian Science Fund (FWF) under Projects No. M2641-N27 and No. M2751. M.L. acknowledges support by the FWF under Project No. P29902-N27, and by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON). T.V.T. was supported by the NSF CAREER award No. PHY-2045681. This work is supported by the German Research Foundation (DFG) under Germany's Excellence Strategy EXC2181/1-390900948 (the Heidelberg STRUCTURES Excellence Cluster). The authors acknowledge support by the state of Baden-Württemberg through bwHPC.","volume":108,"month":"07","external_id":{"arxiv":["2203.12666"],"isi":["001532067800001"]},"date_updated":"2025-09-09T12:45:32Z","quality_controlled":"1","publisher":"American Physical Society","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.2203.12666"}],"scopus_import":"1","article_number":"045115","abstract":[{"lang":"eng","text":"We present a low-scaling diagrammatic Monte Carlo approach to molecular correlation energies. Using combinatorial graph theory to encode many-body Hugenholtz diagrams, we sample the Møller-Plesset (MPn) perturbation series, obtaining accurate correlation energies up to n=5, with quadratic scaling in the number of basis functions. Our technique reduces the computational complexity of the molecular many-fermion correlation problem, opening up the possibility of low-scaling, accurate stochastic computations for a wide class of many-body systems described by Hugenholtz diagrams."}],"citation":{"ieee":"G. Bighin, Q. P. Ho, M. Lemeshko, and T. V. Tscherbul, “Diagrammatic Monte Carlo for electronic correlation in molecules: High-order many-body perturbation theory with low scaling,” <i>Physical Review B</i>, vol. 108, no. 4. American Physical Society, 2023.","ama":"Bighin G, Ho QP, Lemeshko M, Tscherbul TV. Diagrammatic Monte Carlo for electronic correlation in molecules: High-order many-body perturbation theory with low scaling. <i>Physical Review B</i>. 2023;108(4). doi:<a href=\"https://doi.org/10.1103/PhysRevB.108.045115\">10.1103/PhysRevB.108.045115</a>","apa":"Bighin, G., Ho, Q. P., Lemeshko, M., &#38; Tscherbul, T. V. (2023). Diagrammatic Monte Carlo for electronic correlation in molecules: High-order many-body perturbation theory with low scaling. <i>Physical Review B</i>. American Physical Society. <a href=\"https://doi.org/10.1103/PhysRevB.108.045115\">https://doi.org/10.1103/PhysRevB.108.045115</a>","chicago":"Bighin, Giacomo, Quoc P Ho, Mikhail Lemeshko, and T. V. Tscherbul. “Diagrammatic Monte Carlo for Electronic Correlation in Molecules: High-Order Many-Body Perturbation Theory with Low Scaling.” <i>Physical Review B</i>. American Physical Society, 2023. <a href=\"https://doi.org/10.1103/PhysRevB.108.045115\">https://doi.org/10.1103/PhysRevB.108.045115</a>.","mla":"Bighin, Giacomo, et al. “Diagrammatic Monte Carlo for Electronic Correlation in Molecules: High-Order Many-Body Perturbation Theory with Low Scaling.” <i>Physical Review B</i>, vol. 108, no. 4, 045115, American Physical Society, 2023, doi:<a href=\"https://doi.org/10.1103/PhysRevB.108.045115\">10.1103/PhysRevB.108.045115</a>.","ista":"Bighin G, Ho QP, Lemeshko M, Tscherbul TV. 2023. Diagrammatic Monte Carlo for electronic correlation in molecules: High-order many-body perturbation theory with low scaling. Physical Review B. 108(4), 045115.","short":"G. Bighin, Q.P. Ho, M. Lemeshko, T.V. Tscherbul, Physical Review B 108 (2023)."},"oa_version":"Preprint","type":"journal_article","publication_identifier":{"eissn":["2469-9969"],"issn":["2469-9950"]},"status":"public","date_created":"2023-08-06T22:01:10Z","article_type":"original","year":"2023","oa":1,"publication_status":"published","doi":"10.1103/PhysRevB.108.045115","project":[{"_id":"26986C82-B435-11E9-9278-68D0E5697425","grant_number":"M02641","name":"A path-integral approach to composite impurities","call_identifier":"FWF"},{"grant_number":"M02751","_id":"26B96266-B435-11E9-9278-68D0E5697425","call_identifier":"FWF","name":"Algebro-Geometric Applications of Factorization Homology"},{"call_identifier":"FWF","name":"Quantum rotations in the presence of a many-body environment","grant_number":"P29902","_id":"26031614-B435-11E9-9278-68D0E5697425"},{"_id":"2688CF98-B435-11E9-9278-68D0E5697425","grant_number":"801770","name":"Angulon: physics and applications of a new quasiparticle","call_identifier":"H2020"}],"intvolume":"       108","language":[{"iso":"eng"}],"author":[{"full_name":"Bighin, Giacomo","id":"4CA96FD4-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8823-9777","last_name":"Bighin","first_name":"Giacomo"},{"orcid":"0000-0001-6889-1418","last_name":"Ho","first_name":"Quoc P","full_name":"Ho, Quoc P","id":"3DD82E3C-F248-11E8-B48F-1D18A9856A87"},{"id":"37CB05FA-F248-11E8-B48F-1D18A9856A87","full_name":"Lemeshko, Mikhail","last_name":"Lemeshko","first_name":"Mikhail","orcid":"0000-0002-6990-7802"},{"first_name":"T. V.","last_name":"Tscherbul","full_name":"Tscherbul, T. V."}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","_id":"13966","issue":"4","department":[{"_id":"MiLe"},{"_id":"TaHa"}],"ec_funded":1,"corr_author":"1","publication":"Physical Review B","day":"15"}]