---
_id: '997'
abstract:
- lang: eng
text: Recently it was shown that molecules rotating in superfluid helium can be
described in terms of the angulon quasiparticles (Phys. Rev. Lett. 118, 095301
(2017)). Here we demonstrate that in the experimentally realized regime the angulon
can be seen as a point charge on a 2-sphere interacting with a gauge field of
a non-abelian magnetic monopole. Unlike in several other settings, the gauge fields
of the angulon problem emerge in the real coordinate space, as opposed to the
momentum space or some effective parameter space. Furthermore, we find a topological
transition associated with making the monopole abelian, which takes place in the
vicinity of the previously reported angulon instabilities. These results pave
the way for studying topological phenomena in experiments on molecules trapped
in superfluid helium nanodroplets, as well as on other realizations of orbital
impurity problems.
article_number: '235301'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Enderalp
full_name: Yakaboylu, Enderalp
id: 38CB71F6-F248-11E8-B48F-1D18A9856A87
last_name: Yakaboylu
orcid: 0000-0001-5973-0874
- first_name: Andreas
full_name: Deuchert, Andreas
id: 4DA65CD0-F248-11E8-B48F-1D18A9856A87
last_name: Deuchert
orcid: 0000-0003-3146-6746
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Yakaboylu E, Deuchert A, Lemeshko M. Emergence of non-abelian magnetic monopoles
in a quantum impurity problem. Physical Review Letters. 2017;119(23). doi:10.1103/PhysRevLett.119.235301
apa: Yakaboylu, E., Deuchert, A., & Lemeshko, M. (2017). Emergence of non-abelian
magnetic monopoles in a quantum impurity problem. Physical Review Letters.
American Physical Society. https://doi.org/10.1103/PhysRevLett.119.235301
chicago: Yakaboylu, Enderalp, Andreas Deuchert, and Mikhail Lemeshko. “Emergence
of Non-Abelian Magnetic Monopoles in a Quantum Impurity Problem.” Physical
Review Letters. American Physical Society, 2017. https://doi.org/10.1103/PhysRevLett.119.235301.
ieee: E. Yakaboylu, A. Deuchert, and M. Lemeshko, “Emergence of non-abelian magnetic
monopoles in a quantum impurity problem,” Physical Review Letters, vol.
119, no. 23. American Physical Society, 2017.
ista: Yakaboylu E, Deuchert A, Lemeshko M. 2017. Emergence of non-abelian magnetic
monopoles in a quantum impurity problem. Physical Review Letters. 119(23), 235301.
mla: Yakaboylu, Enderalp, et al. “Emergence of Non-Abelian Magnetic Monopoles in
a Quantum Impurity Problem.” Physical Review Letters, vol. 119, no. 23,
235301, American Physical Society, 2017, doi:10.1103/PhysRevLett.119.235301.
short: E. Yakaboylu, A. Deuchert, M. Lemeshko, Physical Review Letters 119 (2017).
corr_author: '1'
date_created: 2018-12-11T11:49:36Z
date_published: 2017-12-06T00:00:00Z
date_updated: 2025-04-14T07:26:54Z
day: '06'
department:
- _id: MiLe
- _id: RoSe
doi: 10.1103/PhysRevLett.119.235301
ec_funded: 1
external_id:
arxiv:
- '1705.05162'
isi:
- '000417132100007'
intvolume: ' 119'
isi: 1
issue: '23'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1705.05162
month: '12'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
- _id: 25C6DC12-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '694227'
name: Analysis of quantum many-body systems
- _id: 26031614-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: P29902
name: Quantum rotations in the presence of a many-body environment
publication: Physical Review Letters
publication_identifier:
issn:
- 0031-9007
publication_status: published
publisher: American Physical Society
publist_id: '6401'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Emergence of non-abelian magnetic monopoles in a quantum impurity problem
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 119
year: '2017'
...
---
_id: '1120'
abstract:
- lang: eng
text: 'The existence of a self-localization transition in the polaron problem has
been under an active debate ever since Landau suggested it 83 years ago. Here
we reveal the self-localization transition for the rotational analogue of the
polaron -- the angulon quasiparticle. We show that, unlike for the polarons, self-localization
of angulons occurs at finite impurity-bath coupling already at the mean-field
level. The transition is accompanied by the spherical-symmetry breaking of the
angulon ground state and a discontinuity in the first derivative of the ground-state
energy. Moreover, the type of the symmetry breaking is dictated by the symmetry
of the microscopic impurity-bath interaction, which leads to a number of distinct
self-localized states. The predicted effects can potentially be addressed in experiments
on cold molecules trapped in superfluid helium droplets and ultracold quantum
gases, as well as on electronic excitations in solids and Bose-Einstein condensates. '
article_number: '033608'
article_processing_charge: No
arxiv: 1
author:
- first_name: Xiang
full_name: Li, Xiang
id: 4B7E523C-F248-11E8-B48F-1D18A9856A87
last_name: Li
- first_name: Robert
full_name: Seiringer, Robert
id: 4AFD0470-F248-11E8-B48F-1D18A9856A87
last_name: Seiringer
orcid: 0000-0002-6781-0521
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Li X, Seiringer R, Lemeshko M. Angular self-localization of impurities rotating
in a bosonic bath. Physical Review A. 2017;95(3). doi:10.1103/PhysRevA.95.033608
apa: Li, X., Seiringer, R., & Lemeshko, M. (2017). Angular self-localization
of impurities rotating in a bosonic bath. Physical Review A. American Physical
Society. https://doi.org/10.1103/PhysRevA.95.033608
chicago: Li, Xiang, Robert Seiringer, and Mikhail Lemeshko. “Angular Self-Localization
of Impurities Rotating in a Bosonic Bath.” Physical Review A. American
Physical Society, 2017. https://doi.org/10.1103/PhysRevA.95.033608.
ieee: X. Li, R. Seiringer, and M. Lemeshko, “Angular self-localization of impurities
rotating in a bosonic bath,” Physical Review A, vol. 95, no. 3. American
Physical Society, 2017.
ista: Li X, Seiringer R, Lemeshko M. 2017. Angular self-localization of impurities
rotating in a bosonic bath. Physical Review A. 95(3), 033608.
mla: Li, Xiang, et al. “Angular Self-Localization of Impurities Rotating in a Bosonic
Bath.” Physical Review A, vol. 95, no. 3, 033608, American Physical Society,
2017, doi:10.1103/PhysRevA.95.033608.
short: X. Li, R. Seiringer, M. Lemeshko, Physical Review A 95 (2017).
date_created: 2018-12-11T11:50:15Z
date_published: 2017-03-06T00:00:00Z
date_updated: 2026-04-08T07:26:09Z
day: '06'
department:
- _id: MiLe
- _id: RoSe
doi: 10.1103/PhysRevA.95.033608
ec_funded: 1
external_id:
arxiv:
- '1610.04908'
isi:
- '000395981900009'
intvolume: ' 95'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1610.04908
month: '03'
oa: 1
oa_version: Published Version
project:
- _id: 25C6DC12-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '694227'
name: Analysis of quantum many-body systems
- _id: 25C878CE-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: P27533_N27
name: Structure of the Excitation Spectrum for Many-Body Quantum Systems
- _id: 26031614-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: P29902
name: Quantum rotations in the presence of a many-body environment
publication: Physical Review A
publication_identifier:
issn:
- 2469-9926
publication_status: published
publisher: American Physical Society
publist_id: '6242'
quality_controlled: '1'
related_material:
record:
- id: '8958'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Angular self-localization of impurities rotating in a bosonic bath
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 95
year: '2017'
...
---
_id: '1163'
abstract:
- lang: eng
text: 'We investigate the effect of the electron-hole (e-h) symmetry breaking on
d-wave superconductivity induced by non-local effects of correlations in the generalized
Hubbard model. The symmetry breaking is introduced in a two-fold manner: by the
next-to-nearest neighbor hopping of electrons and by the charge-bond interaction
- the off-diagonal term of the Coulomb potential. Both terms lead to a pronounced
asymmetry of the superconducting order parameter. The next-to-nearest neighbor
hopping enhances superconductivity for h-doping, while diminishes it for e-doping.
The charge-bond interaction alone leads to the opposite effect and, additionally,
to the kinetic-energy gain upon condensation in the underdoped regime. With both
terms included, with similar amplitudes, the height of the superconducting dome
and the critical doping remain in favor of h-doping. The influence of the charge-bond
interaction on deviations from symmetry of the shape of the gap at the Fermi surface
in the momentum space is briefly discussed.'
article_number: '085604'
article_processing_charge: No
author:
- first_name: Marcin
full_name: Wysokiński, Marcin
last_name: Wysokiński
- first_name: Jan
full_name: Kaczmarczyk, Jan
id: 46C405DE-F248-11E8-B48F-1D18A9856A87
last_name: Kaczmarczyk
orcid: 0000-0002-1629-3675
citation:
ama: 'Wysokiński M, Kaczmarczyk J. Unconventional superconductivity in generalized
Hubbard model role of electron–hole symmetry breaking terms. Journal of Physics:
Condensed Matter. 2017;29(8). doi:10.1088/1361-648X/aa532f'
apa: 'Wysokiński, M., & Kaczmarczyk, J. (2017). Unconventional superconductivity
in generalized Hubbard model role of electron–hole symmetry breaking terms. Journal
of Physics: Condensed Matter. IOP Publishing. https://doi.org/10.1088/1361-648X/aa532f'
chicago: 'Wysokiński, Marcin, and Jan Kaczmarczyk. “Unconventional Superconductivity
in Generalized Hubbard Model Role of Electron–Hole Symmetry Breaking Terms.” Journal
of Physics: Condensed Matter. IOP Publishing, 2017. https://doi.org/10.1088/1361-648X/aa532f.'
ieee: 'M. Wysokiński and J. Kaczmarczyk, “Unconventional superconductivity in generalized
Hubbard model role of electron–hole symmetry breaking terms,” Journal of Physics:
Condensed Matter, vol. 29, no. 8. IOP Publishing, 2017.'
ista: 'Wysokiński M, Kaczmarczyk J. 2017. Unconventional superconductivity in generalized
Hubbard model role of electron–hole symmetry breaking terms. Journal of Physics:
Condensed Matter. 29(8), 085604.'
mla: 'Wysokiński, Marcin, and Jan Kaczmarczyk. “Unconventional Superconductivity
in Generalized Hubbard Model Role of Electron–Hole Symmetry Breaking Terms.” Journal
of Physics: Condensed Matter, vol. 29, no. 8, 085604, IOP Publishing, 2017,
doi:10.1088/1361-648X/aa532f.'
short: 'M. Wysokiński, J. Kaczmarczyk, Journal of Physics: Condensed Matter 29 (2017).'
date_created: 2018-12-11T11:50:29Z
date_published: 2017-01-16T00:00:00Z
date_updated: 2026-04-16T09:55:16Z
day: '16'
department:
- _id: MiLe
doi: 10.1088/1361-648X/aa532f
ec_funded: 1
external_id:
isi:
- '000393955500001'
intvolume: ' 29'
isi: 1
issue: '8'
language:
- iso: eng
month: '01'
oa_version: None
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: 'Journal of Physics: Condensed Matter'
publication_identifier:
issn:
- 0953-8984
publication_status: published
publisher: IOP Publishing
publist_id: '6194'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Unconventional superconductivity in generalized Hubbard model role of electron–hole
symmetry breaking terms
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 29
year: '2017'
...
---
_id: '1204'
abstract:
- lang: eng
text: In science, as in life, "surprises" can be adequately appreciated
only in the presence of a null model, what we expect a priori. In physics, theories
sometimes express the values of dimensionless physical constants as combinations
of mathematical constants like π or e. The inverse problem also arises, whereby
the measured value of a physical constant admits a "surprisingly" simple
approximation in terms of well-known mathematical constants. Can we estimate the
probability for this to be a mere coincidence, rather than an inkling of some
theory? We answer the question in the most naive form.
article_processing_charge: No
arxiv: 1
author:
- first_name: Ariel
full_name: Amir, Ariel
last_name: Amir
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
- first_name: Tadashi
full_name: Tokieda, Tadashi
last_name: Tokieda
citation:
ama: Amir A, Lemeshko M, Tokieda T. Surprises in numerical expressions of physical
constants. American Mathematical Monthly. 2016;123(6):609-612. doi:10.4169/amer.math.monthly.123.6.609
apa: Amir, A., Lemeshko, M., & Tokieda, T. (2016). Surprises in numerical expressions
of physical constants. American Mathematical Monthly. Mathematical Association
of America. https://doi.org/10.4169/amer.math.monthly.123.6.609
chicago: Amir, Ariel, Mikhail Lemeshko, and Tadashi Tokieda. “Surprises in Numerical
Expressions of Physical Constants.” American Mathematical Monthly. Mathematical
Association of America, 2016. https://doi.org/10.4169/amer.math.monthly.123.6.609.
ieee: A. Amir, M. Lemeshko, and T. Tokieda, “Surprises in numerical expressions
of physical constants,” American Mathematical Monthly, vol. 123, no. 6.
Mathematical Association of America, pp. 609–612, 2016.
ista: Amir A, Lemeshko M, Tokieda T. 2016. Surprises in numerical expressions of
physical constants. American Mathematical Monthly. 123(6), 609–612.
mla: Amir, Ariel, et al. “Surprises in Numerical Expressions of Physical Constants.”
American Mathematical Monthly, vol. 123, no. 6, Mathematical Association
of America, 2016, pp. 609–12, doi:10.4169/amer.math.monthly.123.6.609.
short: A. Amir, M. Lemeshko, T. Tokieda, American Mathematical Monthly 123 (2016)
609–612.
date_created: 2018-12-11T11:50:42Z
date_published: 2016-06-01T00:00:00Z
date_updated: 2025-09-22T09:39:09Z
day: '01'
department:
- _id: MiLe
doi: 10.4169/amer.math.monthly.123.6.609
external_id:
arxiv:
- '1603.00299'
isi:
- '000381754900010'
intvolume: ' 123'
isi: 1
issue: '6'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1603.00299
month: '06'
oa: 1
oa_version: Preprint
page: 609 - 612
publication: American Mathematical Monthly
publication_status: published
publisher: Mathematical Association of America
publist_id: '6143'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Surprises in numerical expressions of physical constants
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 123
year: '2016'
...
---
_id: '1206'
abstract:
- lang: eng
text: We study a polar molecule immersed in a superfluid environment, such as a
helium nanodroplet or a Bose–Einstein condensate, in the presence of a strong
electrostatic field. We show that coupling of the molecular pendular motion, induced
by the field, to the fluctuating bath leads to formation of pendulons—spherical
harmonic librators dressed by a field of many-particle excitations. We study the
behavior of the pendulon in a broad range of molecule–bath and molecule–field
interaction strengths, and reveal that its spectrum features a series of instabilities
which are absent in the field-free case of the angulon quasiparticle. Furthermore,
we show that an external field allows to fine-tune the positions of these instabilities
in the molecular rotational spectrum. This opens the door to detailed experimental
studies of redistribution of orbital angular momentum in many-particle systems.
© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
article_processing_charge: No
arxiv: 1
author:
- first_name: Elena
full_name: Redchenko, Elena
id: 2C21D6E8-F248-11E8-B48F-1D18A9856A87
last_name: Redchenko
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Redchenko E, Lemeshko M. Libration of strongly oriented polar molecules inside
a superfluid. ChemPhysChem. 2016;17(22):3649-3654. doi:10.1002/cphc.201601042
apa: Redchenko, E., & Lemeshko, M. (2016). Libration of strongly oriented polar
molecules inside a superfluid. ChemPhysChem. Wiley-Blackwell. https://doi.org/10.1002/cphc.201601042
chicago: Redchenko, Elena, and Mikhail Lemeshko. “Libration of Strongly Oriented
Polar Molecules inside a Superfluid.” ChemPhysChem. Wiley-Blackwell, 2016.
https://doi.org/10.1002/cphc.201601042.
ieee: E. Redchenko and M. Lemeshko, “Libration of strongly oriented polar molecules
inside a superfluid,” ChemPhysChem, vol. 17, no. 22. Wiley-Blackwell, pp.
3649–3654, 2016.
ista: Redchenko E, Lemeshko M. 2016. Libration of strongly oriented polar molecules
inside a superfluid. ChemPhysChem. 17(22), 3649–3654.
mla: Redchenko, Elena, and Mikhail Lemeshko. “Libration of Strongly Oriented Polar
Molecules inside a Superfluid.” ChemPhysChem, vol. 17, no. 22, Wiley-Blackwell,
2016, pp. 3649–54, doi:10.1002/cphc.201601042.
short: E. Redchenko, M. Lemeshko, ChemPhysChem 17 (2016) 3649–3654.
date_created: 2018-12-11T11:50:43Z
date_published: 2016-09-18T00:00:00Z
date_updated: 2025-09-22T09:38:39Z
day: '18'
department:
- _id: JoFi
- _id: MiLe
doi: 10.1002/cphc.201601042
ec_funded: 1
external_id:
arxiv:
- '1609.08161'
isi:
- '000388625000008'
intvolume: ' 17'
isi: 1
issue: '22'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1609.08161
month: '09'
oa: 1
oa_version: Preprint
page: 3649 - 3654
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: ChemPhysChem
publication_status: published
publisher: Wiley-Blackwell
publist_id: '6140'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Libration of strongly oriented polar molecules inside a superfluid
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 17
year: '2016'
...
---
_id: '1343'
abstract:
- lang: eng
text: "The Fermi-Hubbard model is one of the key models of condensed matter physics,
which holds a\r\n\r\npotential for explaining the mystery of high-temperature
superconductivity. Recent progress in\r\n\r\nultracold atoms in optical lattices
has paved the way to studying the model’s phase diagram using\r\n\r\nthe tools
of quantum simulation, which emerged as a promising alternative to the numerical\r\n\r\ncalculations
plagued by the infamous sign problem. However, the temperatures achieved using\r\n\r\nelaborate
laser cooling protocols so far have been too high to show the appearance of\r\n\r\nantiferromagnetic (AF)
and superconducting quantum phases directly. In this work, we demonstrate\r\n\r\nthat
using the machinery of dissipative quantum state engineering, one can observe
the emergence of\r\n\r\nthe AF order in the Fermi-Hubbard model with fermions
in optical lattices. The core of the approach\r\n\r\nis to add incoherent laser
scattering in such a way that the AF state emerges as the dark state of\r\n\r\nthe
driven-dissipative dynamics. The proposed controlled dissipation channels described
in this work\r\n\r\nare straightforward to add to already existing experimental
setups."
acknowledgement: "We acknowledge stimulating discussions with Ken Brown, Tommaso Calarco,
Andrew Daley, Suzanne\r\nMcEndoo, Tobias Osborne, Cindy Regal, Luis Santos, Micha\r\nł\r\nTomza,
and Martin Zwierlein. The work was supported by the People Programme (Marie Curie
Actions) of the European Union's Seventh Framework Programme (FP7/2007-2013) under
REA grant agreement no. [291734], by the Volkswagen Foundation, and by DFG within
SFB 1227 (DQ-mat)."
article_number: '093042'
article_processing_charge: No
author:
- first_name: Jan
full_name: Kaczmarczyk, Jan
id: 46C405DE-F248-11E8-B48F-1D18A9856A87
last_name: Kaczmarczyk
orcid: 0000-0002-1629-3675
- first_name: Hendrik
full_name: Weimer, Hendrik
last_name: Weimer
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Kaczmarczyk J, Weimer H, Lemeshko M. Dissipative preparation of antiferromagnetic
order in the Fermi-Hubbard model. New Journal of Physics. 2016;18(9). doi:10.1088/1367-2630/18/9/093042
apa: Kaczmarczyk, J., Weimer, H., & Lemeshko, M. (2016). Dissipative preparation
of antiferromagnetic order in the Fermi-Hubbard model. New Journal of Physics.
IOP Publishing. https://doi.org/10.1088/1367-2630/18/9/093042
chicago: Kaczmarczyk, Jan, Hendrik Weimer, and Mikhail Lemeshko. “Dissipative Preparation
of Antiferromagnetic Order in the Fermi-Hubbard Model.” New Journal of Physics.
IOP Publishing, 2016. https://doi.org/10.1088/1367-2630/18/9/093042.
ieee: J. Kaczmarczyk, H. Weimer, and M. Lemeshko, “Dissipative preparation of antiferromagnetic
order in the Fermi-Hubbard model,” New Journal of Physics, vol. 18, no.
9. IOP Publishing, 2016.
ista: Kaczmarczyk J, Weimer H, Lemeshko M. 2016. Dissipative preparation of antiferromagnetic
order in the Fermi-Hubbard model. New Journal of Physics. 18(9), 093042.
mla: Kaczmarczyk, Jan, et al. “Dissipative Preparation of Antiferromagnetic Order
in the Fermi-Hubbard Model.” New Journal of Physics, vol. 18, no. 9, 093042,
IOP Publishing, 2016, doi:10.1088/1367-2630/18/9/093042.
short: J. Kaczmarczyk, H. Weimer, M. Lemeshko, New Journal of Physics 18 (2016).
corr_author: '1'
date_created: 2018-12-11T11:51:29Z
date_published: 2016-09-22T00:00:00Z
date_updated: 2025-09-22T08:16:37Z
day: '22'
ddc:
- '530'
department:
- _id: MiLe
doi: 10.1088/1367-2630/18/9/093042
ec_funded: 1
external_id:
isi:
- '000385516800002'
file:
- access_level: open_access
checksum: 2a43e235222755e31ffbd369882c61de
content_type: application/pdf
creator: system
date_created: 2018-12-12T10:17:52Z
date_updated: 2020-07-14T12:44:45Z
file_id: '5309'
file_name: IST-2016-655-v1+1_njp_18_9_093042.pdf
file_size: 1076029
relation: main_file
file_date_updated: 2020-07-14T12:44:45Z
has_accepted_license: '1'
intvolume: ' 18'
isi: 1
issue: '9'
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: New Journal of Physics
publication_status: published
publisher: IOP Publishing
publist_id: '5909'
pubrep_id: '655'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Dissipative preparation of antiferromagnetic order in the Fermi-Hubbard model
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 18
year: '2016'
...
---
_id: '1347'
abstract:
- lang: eng
text: 'During the past 70 years, the quantum theory of angular momentum has been
successfully applied to describing the properties of nuclei, atoms, and molecules,
and their interactions with each other as well as with external fields. Because
of the properties of quantum rotations, the angular-momentum algebra can be of
tremendous complexity even for a few interacting particles, such as valence electrons
of an atom, not to mention larger many-particle systems. In this work, we study
an example of the latter: A rotating quantum impurity coupled to a many-body bosonic
bath. In the regime of strong impurity-bath couplings, the problem involves the
addition of an infinite number of angular momenta, which renders it intractable
using currently available techniques. Here, we introduce a novel canonical transformation
that allows us to eliminate the complex angular-momentum algebra from such a class
of many-body problems. In addition, the transformation exposes the problem''s
constants of motion, and renders it solvable exactly in the limit of a slowly
rotating impurity. We exemplify the technique by showing that there exists a critical
rotational speed at which the impurity suddenly acquires one quantum of angular
momentum from the many-particle bath. Such an instability is accompanied by the
deformation of the phonon density in the frame rotating along with the impurity.'
acknowledgement: We are grateful to Eugene Demler, Jan Kaczmarczyk, Laleh Safari,
and Hendrik Weimer for insightful discussions. The work was supported by the NSF
through a grant for the Institute for Theoretical Atomic, Molecular, and Optical
Physics at Harvard University and Smithsonian Astrophysical Observatory.
article_number: '011012'
article_processing_charge: No
author:
- first_name: Richard
full_name: Schmidt, Richard
last_name: Schmidt
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Schmidt R, Lemeshko M. Deformation of a quantum many-particle system by a rotating
impurity. Physical Review X. 2016;6(1). doi:10.1103/PhysRevX.6.011012
apa: Schmidt, R., & Lemeshko, M. (2016). Deformation of a quantum many-particle
system by a rotating impurity. Physical Review X. American Physical Society.
https://doi.org/10.1103/PhysRevX.6.011012
chicago: Schmidt, Richard, and Mikhail Lemeshko. “Deformation of a Quantum Many-Particle
System by a Rotating Impurity.” Physical Review X. American Physical Society,
2016. https://doi.org/10.1103/PhysRevX.6.011012.
ieee: R. Schmidt and M. Lemeshko, “Deformation of a quantum many-particle system
by a rotating impurity,” Physical Review X, vol. 6, no. 1. American Physical
Society, 2016.
ista: Schmidt R, Lemeshko M. 2016. Deformation of a quantum many-particle system
by a rotating impurity. Physical Review X. 6(1), 011012.
mla: Schmidt, Richard, and Mikhail Lemeshko. “Deformation of a Quantum Many-Particle
System by a Rotating Impurity.” Physical Review X, vol. 6, no. 1, 011012,
American Physical Society, 2016, doi:10.1103/PhysRevX.6.011012.
short: R. Schmidt, M. Lemeshko, Physical Review X 6 (2016).
corr_author: '1'
date_created: 2018-12-11T11:51:30Z
date_published: 2016-01-01T00:00:00Z
date_updated: 2025-09-22T08:14:25Z
day: '01'
ddc:
- '530'
department:
- _id: MiLe
doi: 10.1103/PhysRevX.6.011012
external_id:
isi:
- '000370029800001'
file:
- access_level: open_access
checksum: 6757a164d3c38905e05b2b5a188cb8ff
content_type: application/pdf
creator: system
date_created: 2018-12-12T10:15:59Z
date_updated: 2020-07-14T12:44:45Z
file_id: '5183'
file_name: IST-2016-652-v1+1_PhysRevX.6.011012.pdf
file_size: 1165869
relation: main_file
file_date_updated: 2020-07-14T12:44:45Z
has_accepted_license: '1'
intvolume: ' 6'
isi: 1
issue: '1'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
publication: Physical Review X
publication_status: published
publisher: American Physical Society
publist_id: '5902'
pubrep_id: '652'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Deformation of a quantum many-particle system by a rotating impurity
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 6
year: '2016'
...
---
_id: '1352'
abstract:
- lang: eng
text: We study the interplay of nematic and superconducting order in the two-dimensional
Hubbard model and show that they can coexist, especially when superconductivity
is not the energetically dominant phase. Due to a breaking of the C4 symmetry,
the coexisting phase inherently contains admixture of the s-wave pairing components.
As a result, the superconducting gap exhibits nonstandard features including changed
nodal directions. Our results also show that in the optimally doped regime the
pure superconducting phase is typically unstable towards developing nematicity
(breaking of the C4 symmetry). This has implications for the cuprate high-Tc superconductors,
for which in this regime the so-called intertwined orders have recently been observed.
Namely, the coexisting phase may be viewed as a precursor to such more involved
patterns of symmetry breaking.
acknowledgement: The authors are grateful to Florian Gebhard and Mikhail Lemeshko
for discussions and critical reading of the manuscript. The work was supported by
the Ministry of Science and Higher Education in Poland through the Iuventus Plus
Grant No. IP2012 017172, as well as by the People Programme (Marie Curie Actions)
of the European Union's Seventh Framework Programme (FP7/2007-2013) under REA Grant
Agreement No. 291734. J.K. acknowledges hospitality of the Leibniz Universität in
Hannover where a large part of the work was performed.
article_number: '085152'
article_processing_charge: No
arxiv: 1
author:
- first_name: Jan
full_name: Kaczmarczyk, Jan
id: 46C405DE-F248-11E8-B48F-1D18A9856A87
last_name: Kaczmarczyk
orcid: 0000-0002-1629-3675
- first_name: Tobias
full_name: Schickling, Tobias
last_name: Schickling
- first_name: Jörg
full_name: Bünemann, Jörg
last_name: Bünemann
citation:
ama: Kaczmarczyk J, Schickling T, Bünemann J. Coexistence of nematic order and superconductivity
in the Hubbard model. Physical Review B - Condensed Matter and Materials Physics.
2016;94(8). doi:10.1103/PhysRevB.94.085152
apa: Kaczmarczyk, J., Schickling, T., & Bünemann, J. (2016). Coexistence of
nematic order and superconductivity in the Hubbard model. Physical Review B
- Condensed Matter and Materials Physics. American Physical Society. https://doi.org/10.1103/PhysRevB.94.085152
chicago: Kaczmarczyk, Jan, Tobias Schickling, and Jörg Bünemann. “Coexistence of
Nematic Order and Superconductivity in the Hubbard Model.” Physical Review
B - Condensed Matter and Materials Physics. American Physical Society, 2016.
https://doi.org/10.1103/PhysRevB.94.085152.
ieee: J. Kaczmarczyk, T. Schickling, and J. Bünemann, “Coexistence of nematic order
and superconductivity in the Hubbard model,” Physical Review B - Condensed
Matter and Materials Physics, vol. 94, no. 8. American Physical Society, 2016.
ista: Kaczmarczyk J, Schickling T, Bünemann J. 2016. Coexistence of nematic order
and superconductivity in the Hubbard model. Physical Review B - Condensed Matter
and Materials Physics. 94(8), 085152.
mla: Kaczmarczyk, Jan, et al. “Coexistence of Nematic Order and Superconductivity
in the Hubbard Model.” Physical Review B - Condensed Matter and Materials Physics,
vol. 94, no. 8, 085152, American Physical Society, 2016, doi:10.1103/PhysRevB.94.085152.
short: J. Kaczmarczyk, T. Schickling, J. Bünemann, Physical Review B - Condensed
Matter and Materials Physics 94 (2016).
date_created: 2018-12-11T11:51:32Z
date_published: 2016-08-30T00:00:00Z
date_updated: 2025-09-22T08:11:28Z
day: '30'
department:
- _id: MiLe
doi: 10.1103/PhysRevB.94.085152
ec_funded: 1
external_id:
arxiv:
- '1512.06688'
isi:
- '000382127700005'
intvolume: ' 94'
isi: 1
issue: '8'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1512.06688
month: '08'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Physical Review B - Condensed Matter and Materials Physics
publication_status: published
publisher: American Physical Society
publist_id: '5897'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Coexistence of nematic order and superconductivity in the Hubbard model
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 94
year: '2016'
...
---
_id: '1368'
abstract:
- lang: eng
text: Superconductivity in heavy-fermion systems has an unconventional nature and
is considered to originate from the universal features of the electronic structure.
Here, the Anderson lattice model is studied by means of the full variational Gutzwiller
wave function incorporating nonlocal effects of the on-site interaction. We show
that the d-wave superconducting ground state can be driven solely by interelectronic
correlations. The proposed microscopic mechanism leads to a multigap superconductivity
with the dominant contribution due to f electrons and in the dx2−y2-wave channel.
Our results rationalize several important observations for CeCoIn5.
acknowledgement: "The work has been supported by the National Science Center
\ (NCN) under the Grant MAESTRO, No.\r\nDEC-2012/04/A/ST3/00342. "
article_number: '024517'
article_processing_charge: No
arxiv: 1
author:
- first_name: Marcin
full_name: Wysokiński, Marcin
last_name: Wysokiński
- first_name: Jan
full_name: Kaczmarczyk, Jan
id: 46C405DE-F248-11E8-B48F-1D18A9856A87
last_name: Kaczmarczyk
orcid: 0000-0002-1629-3675
- first_name: Jozef
full_name: Spałek, Jozef
last_name: Spałek
citation:
ama: 'Wysokiński M, Kaczmarczyk J, Spałek J. Correlation driven d wave superconductivity
in Anderson lattice model: Two gaps. Physical Review B - Condensed Matter and
Materials Physics. 2016;94(2). doi:10.1103/PhysRevB.94.024517'
apa: 'Wysokiński, M., Kaczmarczyk, J., & Spałek, J. (2016). Correlation driven
d wave superconductivity in Anderson lattice model: Two gaps. Physical Review
B - Condensed Matter and Materials Physics. American Physical Society. https://doi.org/10.1103/PhysRevB.94.024517'
chicago: 'Wysokiński, Marcin, Jan Kaczmarczyk, and Jozef Spałek. “Correlation Driven
d Wave Superconductivity in Anderson Lattice Model: Two Gaps.” Physical Review
B - Condensed Matter and Materials Physics. American Physical Society, 2016.
https://doi.org/10.1103/PhysRevB.94.024517.'
ieee: 'M. Wysokiński, J. Kaczmarczyk, and J. Spałek, “Correlation driven d wave
superconductivity in Anderson lattice model: Two gaps,” Physical Review B -
Condensed Matter and Materials Physics, vol. 94, no. 2. American Physical
Society, 2016.'
ista: 'Wysokiński M, Kaczmarczyk J, Spałek J. 2016. Correlation driven d wave superconductivity
in Anderson lattice model: Two gaps. Physical Review B - Condensed Matter and
Materials Physics. 94(2), 024517.'
mla: 'Wysokiński, Marcin, et al. “Correlation Driven d Wave Superconductivity in
Anderson Lattice Model: Two Gaps.” Physical Review B - Condensed Matter and
Materials Physics, vol. 94, no. 2, 024517, American Physical Society, 2016,
doi:10.1103/PhysRevB.94.024517.'
short: M. Wysokiński, J. Kaczmarczyk, J. Spałek, Physical Review B - Condensed Matter
and Materials Physics 94 (2016).
date_created: 2018-12-11T11:51:37Z
date_published: 2016-07-01T00:00:00Z
date_updated: 2025-09-22T07:40:18Z
day: '01'
department:
- _id: MiLe
doi: 10.1103/PhysRevB.94.024517
ec_funded: 1
external_id:
arxiv:
- '1510.00224'
isi:
- '000380098600005'
intvolume: ' 94'
isi: 1
issue: '2'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1510.00224
month: '07'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Physical Review B - Condensed Matter and Materials Physics
publication_status: published
publisher: American Physical Society
publist_id: '5844'
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Correlation driven d wave superconductivity in Anderson lattice model: Two
gaps'
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 94
year: '2016'
...
---
_id: '1416'
abstract:
- lang: eng
text: Anisotropic dipole-dipole interactions between ultracold dipolar fermions
break the symmetry of the Fermi surface and thereby deform it. Here we demonstrate
that such a Fermi surface deformation induces a topological phase transition -
the so-called Lifshitz transition - in the regime accessible to present-day experiments.
We describe the impact of the Lifshitz transition on observable quantities such
as the Fermi surface topology, the density-density correlation function, and the
excitation spectrum of the system. The Lifshitz transition in ultracold atoms
can be controlled by tuning the dipole orientation and, in contrast to the transition
studied in crystalline solids, is completely interaction driven.
article_number: '195145'
article_processing_charge: No
arxiv: 1
author:
- first_name: Erik
full_name: Van Loon, Erik
last_name: Van Loon
- first_name: Mikhail
full_name: Katsnelson, Mikhail
last_name: Katsnelson
- first_name: Lauriane
full_name: Chomaz, Lauriane
last_name: Chomaz
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Van Loon E, Katsnelson M, Chomaz L, Lemeshko M. Interaction-driven Lifshitz
transition with dipolar fermions in optical lattices. Physical Review B - Condensed
Matter and Materials Physics. 2016;93(19). doi:10.1103/PhysRevB.93.195145
apa: Van Loon, E., Katsnelson, M., Chomaz, L., & Lemeshko, M. (2016). Interaction-driven
Lifshitz transition with dipolar fermions in optical lattices. Physical Review
B - Condensed Matter and Materials Physics. American Physical Society. https://doi.org/10.1103/PhysRevB.93.195145
chicago: Van Loon, Erik, Mikhail Katsnelson, Lauriane Chomaz, and Mikhail Lemeshko.
“Interaction-Driven Lifshitz Transition with Dipolar Fermions in Optical Lattices.”
Physical Review B - Condensed Matter and Materials Physics. American Physical
Society, 2016. https://doi.org/10.1103/PhysRevB.93.195145.
ieee: E. Van Loon, M. Katsnelson, L. Chomaz, and M. Lemeshko, “Interaction-driven
Lifshitz transition with dipolar fermions in optical lattices,” Physical Review
B - Condensed Matter and Materials Physics, vol. 93, no. 19. American Physical
Society, 2016.
ista: Van Loon E, Katsnelson M, Chomaz L, Lemeshko M. 2016. Interaction-driven Lifshitz
transition with dipolar fermions in optical lattices. Physical Review B - Condensed
Matter and Materials Physics. 93(19), 195145.
mla: Van Loon, Erik, et al. “Interaction-Driven Lifshitz Transition with Dipolar
Fermions in Optical Lattices.” Physical Review B - Condensed Matter and Materials
Physics, vol. 93, no. 19, 195145, American Physical Society, 2016, doi:10.1103/PhysRevB.93.195145.
short: E. Van Loon, M. Katsnelson, L. Chomaz, M. Lemeshko, Physical Review B - Condensed
Matter and Materials Physics 93 (2016).
corr_author: '1'
date_created: 2018-12-11T11:51:54Z
date_published: 2016-05-15T00:00:00Z
date_updated: 2025-09-18T14:23:55Z
day: '15'
department:
- _id: MiLe
doi: 10.1103/PhysRevB.93.195145
external_id:
arxiv:
- '1603.09358'
isi:
- '000376636900002'
intvolume: ' 93'
isi: 1
issue: '19'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1603.09358
month: '05'
oa: 1
oa_version: Preprint
publication: Physical Review B - Condensed Matter and Materials Physics
publication_status: published
publisher: American Physical Society
publist_id: '5791'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Interaction-driven Lifshitz transition with dipolar fermions in optical lattices
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 93
year: '2016'
...
---
_id: '1419'
abstract:
- lang: eng
text: We study the superconducting phase of the Hubbard model using the Gutzwiller
variational wave function (GWF) and the recently proposed diagrammatic expansion
technique (DE-GWF). The DE-GWF method works on the level of the full GWF and in
the thermodynamic limit. Here, we consider a finite-size system to study the accuracy
of the results as a function of the system size (which is practically unrestricted).
We show that the finite-size scaling used, e.g. in the variational Monte Carlo
method can lead to significant, uncontrolled errors. The presented research is
the first step towards applying the DE-GWF method in studies of inhomogeneous
situations, including systems with impurities, defects, inhomogeneous phases,
or disorder.
article_number: '175701'
article_processing_charge: No
author:
- first_name: Andrzej
full_name: Tomski, Andrzej
last_name: Tomski
- first_name: Jan
full_name: Kaczmarczyk, Jan
id: 46C405DE-F248-11E8-B48F-1D18A9856A87
last_name: Kaczmarczyk
orcid: 0000-0002-1629-3675
citation:
ama: 'Tomski A, Kaczmarczyk J. Gutzwiller wave function for finite systems: Superconductivity
in the Hubbard model. Journal of Physics: Condensed Matter. 2016;28(17).
doi:10.1088/0953-8984/28/17/175701'
apa: 'Tomski, A., & Kaczmarczyk, J. (2016). Gutzwiller wave function for finite
systems: Superconductivity in the Hubbard model. Journal of Physics: Condensed
Matter. IOP Publishing. https://doi.org/10.1088/0953-8984/28/17/175701'
chicago: 'Tomski, Andrzej, and Jan Kaczmarczyk. “Gutzwiller Wave Function for Finite
Systems: Superconductivity in the Hubbard Model.” Journal of Physics: Condensed
Matter. IOP Publishing, 2016. https://doi.org/10.1088/0953-8984/28/17/175701.'
ieee: 'A. Tomski and J. Kaczmarczyk, “Gutzwiller wave function for finite systems:
Superconductivity in the Hubbard model,” Journal of Physics: Condensed Matter,
vol. 28, no. 17. IOP Publishing, 2016.'
ista: 'Tomski A, Kaczmarczyk J. 2016. Gutzwiller wave function for finite systems:
Superconductivity in the Hubbard model. Journal of Physics: Condensed Matter.
28(17), 175701.'
mla: 'Tomski, Andrzej, and Jan Kaczmarczyk. “Gutzwiller Wave Function for Finite
Systems: Superconductivity in the Hubbard Model.” Journal of Physics: Condensed
Matter, vol. 28, no. 17, 175701, IOP Publishing, 2016, doi:10.1088/0953-8984/28/17/175701.'
short: 'A. Tomski, J. Kaczmarczyk, Journal of Physics: Condensed Matter 28 (2016).'
date_created: 2018-12-11T11:51:55Z
date_published: 2016-03-29T00:00:00Z
date_updated: 2025-09-18T14:22:40Z
day: '29'
department:
- _id: MiLe
doi: 10.1088/0953-8984/28/17/175701
ec_funded: 1
external_id:
isi:
- '000374393100011'
intvolume: ' 28'
isi: 1
issue: '17'
language:
- iso: eng
month: '03'
oa_version: None
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: 'Journal of Physics: Condensed Matter'
publication_status: published
publisher: IOP Publishing
publist_id: '5788'
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Gutzwiller wave function for finite systems: Superconductivity in the Hubbard
model'
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 28
year: '2016'
...
---
_id: '1286'
abstract:
- lang: eng
text: We use recently developed angulon theory [R. Schmidt and M. Lemeshko, Phys.
Rev. Lett. 114, 203001 (2015)PRLTAO0031-900710.1103/PhysRevLett.114.203001] to
study the rotational spectrum of a cyanide molecular anion immersed into Bose-Einstein
condensates of rubidium and strontium. Based on ab initio potential energy surfaces,
we provide a detailed study of the rotational Lamb shift and many-body-induced
fine structure which arise due to dressing of molecular rotation by a field of
phonon excitations. We demonstrate that the magnitude of these effects is large
enough in order to be observed in modern experiments on cold molecular ions. Furthermore,
we introduce a novel method to construct pseudopotentials starting from the ab
initio potential energy surfaces, which provides a means to obtain effective coupling
constants for low-energy polaron models.
acknowledgement: The work was supported by the NSF through a grant for the Institute
for Theoretical Atomic, Molecular, and Optical Physics at Harvard University and
the Smithsonian Astrophysical Observatory. B.M. acknowledges financial support received
from the People Programme (Marie Curie Actions) of the European Union's Seventh
Framework Programme (FP7/2007-2013) under REA grant agreement No. 291734. M.T. acknowledges
support from the EU Marie Curie COFUND action (ICFOnest), the EU Grants ERC AdG
OSYRIS, FP7 SIQS and EQuaM, FETPROACT QUIC, the Spanish Ministry Grants FOQUS (FIS2013-46768-P)
and Severo Ochoa (SEV-2015-0522), Generalitat de Catalunya (SGR 874), Fundacio Cellex,
the National Science Centre (2015/19/D/ST4/02173), and the PL-Grid Infrastructure.
article_number: '041601'
article_processing_charge: No
arxiv: 1
author:
- first_name: Bikashkali
full_name: Midya, Bikashkali
id: 456187FC-F248-11E8-B48F-1D18A9856A87
last_name: Midya
- first_name: Michał
full_name: Tomza, Michał
last_name: Tomza
- first_name: Richard
full_name: Schmidt, Richard
last_name: Schmidt
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Midya B, Tomza M, Schmidt R, Lemeshko M. Rotation of cold molecular ions inside
a Bose-Einstein condensate. Physical Review A - Atomic, Molecular, and Optical
Physics. 2016;94(4). doi:10.1103/PhysRevA.94.041601
apa: Midya, B., Tomza, M., Schmidt, R., & Lemeshko, M. (2016). Rotation of cold
molecular ions inside a Bose-Einstein condensate. Physical Review A - Atomic,
Molecular, and Optical Physics. American Physical Society. https://doi.org/10.1103/PhysRevA.94.041601
chicago: Midya, Bikashkali, Michał Tomza, Richard Schmidt, and Mikhail Lemeshko.
“Rotation of Cold Molecular Ions inside a Bose-Einstein Condensate.” Physical
Review A - Atomic, Molecular, and Optical Physics. American Physical Society,
2016. https://doi.org/10.1103/PhysRevA.94.041601.
ieee: B. Midya, M. Tomza, R. Schmidt, and M. Lemeshko, “Rotation of cold molecular
ions inside a Bose-Einstein condensate,” Physical Review A - Atomic, Molecular,
and Optical Physics, vol. 94, no. 4. American Physical Society, 2016.
ista: Midya B, Tomza M, Schmidt R, Lemeshko M. 2016. Rotation of cold molecular
ions inside a Bose-Einstein condensate. Physical Review A - Atomic, Molecular,
and Optical Physics. 94(4), 041601.
mla: Midya, Bikashkali, et al. “Rotation of Cold Molecular Ions inside a Bose-Einstein
Condensate.” Physical Review A - Atomic, Molecular, and Optical Physics,
vol. 94, no. 4, 041601, American Physical Society, 2016, doi:10.1103/PhysRevA.94.041601.
short: B. Midya, M. Tomza, R. Schmidt, M. Lemeshko, Physical Review A - Atomic,
Molecular, and Optical Physics 94 (2016).
corr_author: '1'
date_created: 2018-12-11T11:51:09Z
date_published: 2016-10-13T00:00:00Z
date_updated: 2025-09-22T08:33:08Z
day: '13'
department:
- _id: MiLe
doi: 10.1103/PhysRevA.94.041601
ec_funded: 1
external_id:
arxiv:
- '1607.06092'
isi:
- '000385618500001'
intvolume: ' 94'
isi: 1
issue: '4'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1607.06092
month: '10'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Physical Review A - Atomic, Molecular, and Optical Physics
publication_status: published
publisher: American Physical Society
publist_id: '6030'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Rotation of cold molecular ions inside a Bose-Einstein condensate
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 94
year: '2016'
...
---
_id: '1287'
abstract:
- lang: eng
text: A planar waveguide with an impedance boundary, composed of nonperfect metallic
plates, and with passive or active dielectric filling, is considered. We show
the possibility of selective mode guiding and amplification when a homogeneous
pump is added to the dielectric and analyze differences in TE and TM mode propagation.
Such a non-conservative system is also shown to feature exceptional points for
specific and experimentally tunable parameters, which are described for a particular
case of transparent dielectric.
acknowledgement: The research of B.M. is supported by the People Programme (Marie
Curie Actions) of the European Union’s Seventh Framework Programme (FP7/2007-2013)
under REA grant No. [291734].
article_processing_charge: No
arxiv: 1
author:
- first_name: Bikashkali
full_name: Midya, Bikashkali
id: 456187FC-F248-11E8-B48F-1D18A9856A87
last_name: Midya
- first_name: Vladimir
full_name: Konotop, Vladimir
last_name: Konotop
citation:
ama: Midya B, Konotop V. Modes and exceptional points in waveguides with impedance
boundary conditions. Optics Letters. 2016;41(20):4621-4624. doi:10.1364/OL.41.004621
apa: Midya, B., & Konotop, V. (2016). Modes and exceptional points in waveguides
with impedance boundary conditions. Optics Letters. Optica Publishing Group.
https://doi.org/10.1364/OL.41.004621
chicago: Midya, Bikashkali, and Vladimir Konotop. “Modes and Exceptional Points
in Waveguides with Impedance Boundary Conditions.” Optics Letters. Optica
Publishing Group, 2016. https://doi.org/10.1364/OL.41.004621.
ieee: B. Midya and V. Konotop, “Modes and exceptional points in waveguides with
impedance boundary conditions,” Optics Letters, vol. 41, no. 20. Optica
Publishing Group, pp. 4621–4624, 2016.
ista: Midya B, Konotop V. 2016. Modes and exceptional points in waveguides with
impedance boundary conditions. Optics Letters. 41(20), 4621–4624.
mla: Midya, Bikashkali, and Vladimir Konotop. “Modes and Exceptional Points in Waveguides
with Impedance Boundary Conditions.” Optics Letters, vol. 41, no. 20, Optica
Publishing Group, 2016, pp. 4621–24, doi:10.1364/OL.41.004621.
short: B. Midya, V. Konotop, Optics Letters 41 (2016) 4621–4624.
corr_author: '1'
date_created: 2018-12-11T11:51:09Z
date_published: 2016-10-15T00:00:00Z
date_updated: 2025-09-22T08:32:34Z
day: '15'
department:
- _id: MiLe
doi: 10.1364/OL.41.004621
ec_funded: 1
external_id:
arxiv:
- '1609.02863'
isi:
- '000386854500005'
intvolume: ' 41'
isi: 1
issue: '20'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1609.02863
month: '10'
oa: 1
oa_version: Preprint
page: 4621 - 4624
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Optics Letters
publication_status: published
publisher: Optica Publishing Group
publist_id: '6029'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Modes and exceptional points in waveguides with impedance boundary conditions
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 41
year: '2016'
...
---
_id: '1496'
abstract:
- lang: eng
text: The two-photon 1s2 2s 2p 3P0 1s22s2 1S0 transition in berylliumlike ions is
theoretically investigated within a fully relativistic framework and a second-order
perturbation theory. We focus our analysis on how electron correlation, as well
as the negative-energy spectrum, can affect the forbidden E1M1 decay rate. For
this purpose, we include the electronic correlation via an effective local potential
and within a single configuration-state model. Due to its experimental interest,
evaluations of decay rates are performed for berylliumlike xenon and uranium.
We find that the negative-energy contribution can be neglected at the present
level of accuracy in the evaluation of the decay rate. On the other hand, if contributions
of electronic correlation are not carefully taken into account, it may change
the lifetime of the metastable state by up to 20%. By performing a full-relativistic
jj-coupling calculation, we found a decrease of the decay rate by two orders of
magnitude compared to non-relativistic LS-coupling calculations, for the selected
heavy ions.
acknowledgement: 'This research was supported in part by FCT, Portugal, through
Project No. PTDC/FIS/117606/2010, financed by the European Community Fund FEDER through the COMPETE. '
article_number: '032502'
article_processing_charge: No
arxiv: 1
author:
- first_name: Pedro
full_name: Amaro, Pedro
last_name: Amaro
- first_name: Filippo
full_name: Fratini, Filippo
last_name: Fratini
- first_name: Laleh
full_name: Safari, Laleh
id: 3C325E5E-F248-11E8-B48F-1D18A9856A87
last_name: Safari
- first_name: Jorge
full_name: Machado, Jorge
last_name: Machado
- first_name: Mauro
full_name: Guerra, Mauro
last_name: Guerra
- first_name: Paul
full_name: Indelicato, Paul
last_name: Indelicato
- first_name: José
full_name: Santos, José
last_name: Santos
citation:
ama: Amaro P, Fratini F, Safari L, et al. Relativistic evaluation of the two-photon
decay of the metastable 1s22s2p3P0 state in berylliumlike ions with an effective-potential
model. Physical Review A - Atomic, Molecular, and Optical Physics. 2016;93(3).
doi:10.1103/PhysRevA.93.032502
apa: Amaro, P., Fratini, F., Safari, L., Machado, J., Guerra, M., Indelicato, P.,
& Santos, J. (2016). Relativistic evaluation of the two-photon decay of the
metastable 1s22s2p3P0 state in berylliumlike ions with an effective-potential
model. Physical Review A - Atomic, Molecular, and Optical Physics. American
Physical Society. https://doi.org/10.1103/PhysRevA.93.032502
chicago: Amaro, Pedro, Filippo Fratini, Laleh Safari, Jorge Machado, Mauro Guerra,
Paul Indelicato, and José Santos. “Relativistic Evaluation of the Two-Photon Decay
of the Metastable 1s22s2p3P0 State in Berylliumlike Ions with an Effective-Potential
Model.” Physical Review A - Atomic, Molecular, and Optical Physics. American
Physical Society, 2016. https://doi.org/10.1103/PhysRevA.93.032502.
ieee: P. Amaro et al., “Relativistic evaluation of the two-photon decay of
the metastable 1s22s2p3P0 state in berylliumlike ions with an effective-potential
model,” Physical Review A - Atomic, Molecular, and Optical Physics, vol.
93, no. 3. American Physical Society, 2016.
ista: Amaro P, Fratini F, Safari L, Machado J, Guerra M, Indelicato P, Santos J.
2016. Relativistic evaluation of the two-photon decay of the metastable 1s22s2p3P0
state in berylliumlike ions with an effective-potential model. Physical Review
A - Atomic, Molecular, and Optical Physics. 93(3), 032502.
mla: Amaro, Pedro, et al. “Relativistic Evaluation of the Two-Photon Decay of the
Metastable 1s22s2p3P0 State in Berylliumlike Ions with an Effective-Potential
Model.” Physical Review A - Atomic, Molecular, and Optical Physics, vol.
93, no. 3, 032502, American Physical Society, 2016, doi:10.1103/PhysRevA.93.032502.
short: P. Amaro, F. Fratini, L. Safari, J. Machado, M. Guerra, P. Indelicato, J.
Santos, Physical Review A - Atomic, Molecular, and Optical Physics 93 (2016).
date_created: 2018-12-11T11:52:21Z
date_published: 2016-03-07T00:00:00Z
date_updated: 2025-09-18T11:10:38Z
day: '07'
department:
- _id: MiLe
doi: 10.1103/PhysRevA.93.032502
ec_funded: 1
external_id:
arxiv:
- '1508.06169'
isi:
- '000371724100008'
intvolume: ' 93'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1508.06169
month: '03'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Physical Review A - Atomic, Molecular, and Optical Physics
publication_status: published
publisher: American Physical Society
publist_id: '5683'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Relativistic evaluation of the two-photon decay of the metastable 1s22s2p3P0
state in berylliumlike ions with an effective-potential model
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 93
year: '2016'
...
---
_id: '1811'
abstract:
- lang: eng
text: Atomic form factors are widely used for the characterization of targets and
specimens, from crystallography to biology. By using recent mathematical results,
here we derive an analytical expression for the atomic form factor within the
independent particle model constructed from nonrelativistic screened hydrogenic
wave functions. The range of validity of this analytical expression is checked
by comparing the analytically obtained form factors with the ones obtained within
the Hartee-Fock method. As an example, we apply our analytical expression for
the atomic form factor to evaluate the differential cross section for Rayleigh
scattering off neutral atoms.
acknowledgement: The research leading to these results has received funding from the
People Programme (Marie Curie Actions) of the European Union’s Seventh Framework
Programme (FP7/2007-2013) under REA grant agreement n◦ [291734]. F.F. acknowledges
support by Fundação de Amparo à Pesquisa do estado de Minas Gerais (FAPEMIG), by
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), and by the
Austrian Science Fund (FWF) through the START Grant No. Y 591-N16.
article_number: '052105'
article_processing_charge: No
arxiv: 1
author:
- first_name: Laleh
full_name: Safari, Laleh
id: 3C325E5E-F248-11E8-B48F-1D18A9856A87
last_name: Safari
- first_name: José
full_name: Santos, José
last_name: Santos
- first_name: Pedro
full_name: Amaro, Pedro
last_name: Amaro
- first_name: Kari
full_name: Jänkälä, Kari
last_name: Jänkälä
- first_name: Filippo
full_name: Fratini, Filippo
last_name: Fratini
citation:
ama: 'Safari L, Santos J, Amaro P, Jänkälä K, Fratini F. Analytical evaluation of
atomic form factors: Application to Rayleigh scattering. Journal of Mathematical
Physics. 2015;56(5). doi:10.1063/1.4921227'
apa: 'Safari, L., Santos, J., Amaro, P., Jänkälä, K., & Fratini, F. (2015).
Analytical evaluation of atomic form factors: Application to Rayleigh scattering.
Journal of Mathematical Physics. American Institute of Physics. https://doi.org/10.1063/1.4921227'
chicago: 'Safari, Laleh, José Santos, Pedro Amaro, Kari Jänkälä, and Filippo Fratini.
“Analytical Evaluation of Atomic Form Factors: Application to Rayleigh Scattering.”
Journal of Mathematical Physics. American Institute of Physics, 2015. https://doi.org/10.1063/1.4921227.'
ieee: 'L. Safari, J. Santos, P. Amaro, K. Jänkälä, and F. Fratini, “Analytical evaluation
of atomic form factors: Application to Rayleigh scattering,” Journal of Mathematical
Physics, vol. 56, no. 5. American Institute of Physics, 2015.'
ista: 'Safari L, Santos J, Amaro P, Jänkälä K, Fratini F. 2015. Analytical evaluation
of atomic form factors: Application to Rayleigh scattering. Journal of Mathematical
Physics. 56(5), 052105.'
mla: 'Safari, Laleh, et al. “Analytical Evaluation of Atomic Form Factors: Application
to Rayleigh Scattering.” Journal of Mathematical Physics, vol. 56, no.
5, 052105, American Institute of Physics, 2015, doi:10.1063/1.4921227.'
short: L. Safari, J. Santos, P. Amaro, K. Jänkälä, F. Fratini, Journal of Mathematical
Physics 56 (2015).
corr_author: '1'
date_created: 2018-12-11T11:54:08Z
date_published: 2015-05-20T00:00:00Z
date_updated: 2025-09-23T07:53:00Z
day: '20'
department:
- _id: MiLe
doi: 10.1063/1.4921227
ec_funded: 1
external_id:
arxiv:
- '1409.0110'
isi:
- '000355920800016'
intvolume: ' 56'
isi: 1
issue: '5'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1409.0110
month: '05'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Journal of Mathematical Physics
publication_status: published
publisher: American Institute of Physics
publist_id: '5295'
scopus_import: '1'
status: public
title: 'Analytical evaluation of atomic form factors: Application to Rayleigh scattering'
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 56
year: '2015'
...
---
_id: '1812'
abstract:
- lang: eng
text: "We investigate the occurrence of rotons in a quadrupolar Bose–Einstein condensate
confined to two dimensions. Depending on the particle density, the ratio of the
contact and quadrupole–quadrupole interactions, and the alignment of the quadrupole
moments with respect to the confinement plane, the dispersion relation features
two or four point-like roton minima or one ring-shaped minimum. We map out the
entire parameter space of the roton behavior and identify the instability regions.
We propose to observe the exotic rotons by monitoring the characteristic density
wave dynamics resulting from a short local perturbation, and discuss the possibilities
to detect the predicted effects in state-of-the-art experiments with ultracold
homonuclear molecules.\r\n"
article_number: '045005'
article_processing_charge: No
author:
- first_name: Martin
full_name: Lahrz, Martin
last_name: Lahrz
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
- first_name: Ludwig
full_name: Mathey, Ludwig
last_name: Mathey
citation:
ama: Lahrz M, Lemeshko M, Mathey L. Exotic roton excitations in quadrupolar Bose–Einstein
condensates . New Journal of Physics. 2015;17(4). doi:10.1088/1367-2630/17/4/045005
apa: Lahrz, M., Lemeshko, M., & Mathey, L. (2015). Exotic roton excitations
in quadrupolar Bose–Einstein condensates . New Journal of Physics. IOP
Publishing. https://doi.org/10.1088/1367-2630/17/4/045005
chicago: Lahrz, Martin, Mikhail Lemeshko, and Ludwig Mathey. “Exotic Roton Excitations
in Quadrupolar Bose–Einstein Condensates .” New Journal of Physics. IOP
Publishing, 2015. https://doi.org/10.1088/1367-2630/17/4/045005.
ieee: M. Lahrz, M. Lemeshko, and L. Mathey, “Exotic roton excitations in quadrupolar
Bose–Einstein condensates ,” New Journal of Physics, vol. 17, no. 4. IOP
Publishing, 2015.
ista: Lahrz M, Lemeshko M, Mathey L. 2015. Exotic roton excitations in quadrupolar
Bose–Einstein condensates . New Journal of Physics. 17(4), 045005.
mla: Lahrz, Martin, et al. “Exotic Roton Excitations in Quadrupolar Bose–Einstein
Condensates .” New Journal of Physics, vol. 17, no. 4, 045005, IOP Publishing,
2015, doi:10.1088/1367-2630/17/4/045005.
short: M. Lahrz, M. Lemeshko, L. Mathey, New Journal of Physics 17 (2015).
date_created: 2018-12-11T11:54:09Z
date_published: 2015-04-01T00:00:00Z
date_updated: 2025-09-23T08:45:19Z
day: '01'
ddc:
- '530'
department:
- _id: MiLe
doi: 10.1088/1367-2630/17/4/045005
external_id:
isi:
- '000354022400001'
file:
- access_level: open_access
checksum: 551f751a75b39b89a1db2f7f498f9a49
content_type: application/pdf
creator: system
date_created: 2018-12-12T10:15:59Z
date_updated: 2020-07-14T12:45:17Z
file_id: '5184'
file_name: IST-2016-446-v1+1_document.pdf
file_size: 1900925
relation: main_file
file_date_updated: 2020-07-14T12:45:17Z
has_accepted_license: '1'
intvolume: ' 17'
isi: 1
issue: '4'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
publication: New Journal of Physics
publication_status: published
publisher: IOP Publishing
publist_id: '5294'
pubrep_id: '446'
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Exotic roton excitations in quadrupolar Bose–Einstein condensates '
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 17
year: '2015'
...
---
_id: '1813'
abstract:
- lang: eng
text: We develop a microscopic theory describing a quantum impurity whose rotational
degree of freedom is coupled to a many-particle bath. We approach the problem
by introducing the concept of an “angulon”—a quantum rotor dressed by a quantum
field—and reveal its quasiparticle properties using a combination of variational
and diagrammatic techniques. Our theory predicts renormalization of the impurity
rotational structure, such as that observed in experiments with molecules in superfluid
helium droplets, in terms of a rotational Lamb shift induced by the many-particle
environment. Furthermore, we discover a rich many-body-induced fine structure,
emerging in rotational spectra due to a redistribution of angular momentum within
the quantum many-body system.
article_number: '203001'
article_processing_charge: No
arxiv: 1
author:
- first_name: Richard
full_name: Schmidt, Richard
last_name: Schmidt
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Schmidt R, Lemeshko M. Rotation of quantum impurities in the presence of a
many-body environment. Physical Review Letters. 2015;114(20). doi:10.1103/PhysRevLett.114.203001
apa: Schmidt, R., & Lemeshko, M. (2015). Rotation of quantum impurities in the
presence of a many-body environment. Physical Review Letters. American
Physical Society. https://doi.org/10.1103/PhysRevLett.114.203001
chicago: Schmidt, Richard, and Mikhail Lemeshko. “Rotation of Quantum Impurities
in the Presence of a Many-Body Environment.” Physical Review Letters. American
Physical Society, 2015. https://doi.org/10.1103/PhysRevLett.114.203001.
ieee: R. Schmidt and M. Lemeshko, “Rotation of quantum impurities in the presence
of a many-body environment,” Physical Review Letters, vol. 114, no. 20.
American Physical Society, 2015.
ista: Schmidt R, Lemeshko M. 2015. Rotation of quantum impurities in the presence
of a many-body environment. Physical Review Letters. 114(20), 203001.
mla: Schmidt, Richard, and Mikhail Lemeshko. “Rotation of Quantum Impurities in
the Presence of a Many-Body Environment.” Physical Review Letters, vol.
114, no. 20, 203001, American Physical Society, 2015, doi:10.1103/PhysRevLett.114.203001.
short: R. Schmidt, M. Lemeshko, Physical Review Letters 114 (2015).
corr_author: '1'
date_created: 2018-12-11T11:54:09Z
date_published: 2015-05-18T00:00:00Z
date_updated: 2025-09-23T10:40:28Z
day: '18'
department:
- _id: MiLe
doi: 10.1103/PhysRevLett.114.203001
external_id:
arxiv:
- '1502.03447'
isi:
- '000354969900003'
intvolume: ' 114'
isi: 1
issue: '20'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1502.03447
month: '05'
oa: 1
oa_version: Preprint
publication: Physical Review Letters
publication_status: published
publisher: American Physical Society
publist_id: '5293'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Rotation of quantum impurities in the presence of a many-body environment
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 114
year: '2015'
...
---
_id: '1587'
abstract:
- lang: eng
text: We investigate the quantum interference shifts between energetically close
states, where the state structure is observed by laser spectroscopy. We report
a compact and analytical expression that models the quantum interference induced
shift for any admixture of circular polarization of the incident laser and angle
of observation. An experimental scenario free of quantum interference can thus
be predicted with this formula. Although this study is exemplified here for muonic
deuterium, it can be applied to any other laser spectroscopy measurement of ns-n′p
frequencies of a nonrelativistic atomic system, via an ns→n′p→n′′s scheme.
article_number: '062506'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Pedro
full_name: Amaro, Pedro
last_name: Amaro
- first_name: Filippo
full_name: Fratini, Filippo
last_name: Fratini
- first_name: Laleh
full_name: Safari, Laleh
id: 3C325E5E-F248-11E8-B48F-1D18A9856A87
last_name: Safari
- first_name: Aldo
full_name: Antognini, Aldo
last_name: Antognini
- first_name: Paul
full_name: Indelicato, Paul
last_name: Indelicato
- first_name: Randolf
full_name: Pohl, Randolf
last_name: Pohl
- first_name: José
full_name: Santos, José
last_name: Santos
citation:
ama: Amaro P, Fratini F, Safari L, et al. Quantum interference shifts in laser spectroscopy
with elliptical polarization. Physical Review A - Atomic, Molecular, and Optical
Physics. 2015;92(6). doi:10.1103/PhysRevA.92.062506
apa: Amaro, P., Fratini, F., Safari, L., Antognini, A., Indelicato, P., Pohl, R.,
& Santos, J. (2015). Quantum interference shifts in laser spectroscopy with
elliptical polarization. Physical Review A - Atomic, Molecular, and Optical
Physics. American Physical Society. https://doi.org/10.1103/PhysRevA.92.062506
chicago: Amaro, Pedro, Filippo Fratini, Laleh Safari, Aldo Antognini, Paul Indelicato,
Randolf Pohl, and José Santos. “Quantum Interference Shifts in Laser Spectroscopy
with Elliptical Polarization.” Physical Review A - Atomic, Molecular, and Optical
Physics. American Physical Society, 2015. https://doi.org/10.1103/PhysRevA.92.062506.
ieee: P. Amaro et al., “Quantum interference shifts in laser spectroscopy
with elliptical polarization,” Physical Review A - Atomic, Molecular, and Optical
Physics, vol. 92, no. 6. American Physical Society, 2015.
ista: Amaro P, Fratini F, Safari L, Antognini A, Indelicato P, Pohl R, Santos J.
2015. Quantum interference shifts in laser spectroscopy with elliptical polarization.
Physical Review A - Atomic, Molecular, and Optical Physics. 92(6), 062506.
mla: Amaro, Pedro, et al. “Quantum Interference Shifts in Laser Spectroscopy with
Elliptical Polarization.” Physical Review A - Atomic, Molecular, and Optical
Physics, vol. 92, no. 6, 062506, American Physical Society, 2015, doi:10.1103/PhysRevA.92.062506.
short: P. Amaro, F. Fratini, L. Safari, A. Antognini, P. Indelicato, R. Pohl, J.
Santos, Physical Review A - Atomic, Molecular, and Optical Physics 92 (2015).
date_created: 2018-12-11T11:52:53Z
date_published: 2015-12-31T00:00:00Z
date_updated: 2025-09-23T10:30:45Z
day: '31'
department:
- _id: MiLe
doi: 10.1103/PhysRevA.92.062506
ec_funded: 1
external_id:
arxiv:
- '1511.03585'
isi:
- '000367373900002'
intvolume: ' 92'
isi: 1
issue: '6'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1511.03585
month: '12'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Physical Review A - Atomic, Molecular, and Optical Physics
publication_status: published
publisher: American Physical Society
publist_id: '5584'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Quantum interference shifts in laser spectroscopy with elliptical polarization
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 92
year: '2015'
...
---
_id: '1693'
abstract:
- lang: eng
text: Quantum interference between energetically close states is theoretically investigated,
with the state structure being observed via laser spectroscopy. In this work,
we focus on hyperfine states of selected hydrogenic muonic isotopes, and on how
quantum interference affects the measured Lamb shift. The process of photon excitation
and subsequent photon decay is implemented within the framework of nonrelativistic
second-order perturbation theory. Due to its experimental interest, calculations
are performed for muonic hydrogen, deuterium, and helium-3. We restrict our analysis
to the case of photon scattering by incident linear polarized photons and the
polarization of the scattered photons not being observed. We conclude that while
quantum interference effects can be safely neglected in muonic hydrogen and helium-3,
in the case of muonic deuterium there are resonances with close proximity, where
quantum interference effects can induce shifts up to a few percent of the linewidth,
assuming a pointlike detector. However, by taking into account the geometry of
the setup used by the CREMA collaboration, this effect is reduced to less than
0.2% of the linewidth in all possible cases, which makes it irrelevant at the
present level of accuracy. © 2015 American Physical Society.
article_number: '022514'
article_processing_charge: No
arxiv: 1
author:
- first_name: Pedro
full_name: Amaro, Pedro
last_name: Amaro
- first_name: Beatrice
full_name: Franke, Beatrice
last_name: Franke
- first_name: Julian
full_name: Krauth, Julian
last_name: Krauth
- first_name: Marc
full_name: Diepold, Marc
last_name: Diepold
- first_name: Filippo
full_name: Fratini, Filippo
last_name: Fratini
- first_name: Laleh
full_name: Safari, Laleh
id: 3C325E5E-F248-11E8-B48F-1D18A9856A87
last_name: Safari
- first_name: Jorge
full_name: Machado, Jorge
last_name: Machado
- first_name: Aldo
full_name: Antognini, Aldo
last_name: Antognini
- first_name: Franz
full_name: Kottmann, Franz
last_name: Kottmann
- first_name: Paul
full_name: Indelicato, Paul
last_name: Indelicato
- first_name: Randolf
full_name: Pohl, Randolf
last_name: Pohl
- first_name: José
full_name: Santos, José
last_name: Santos
citation:
ama: Amaro P, Franke B, Krauth J, et al. Quantum interference effects in laser spectroscopy
of muonic hydrogen, deuterium, and helium-3. Physical Review A. 2015;92(2).
doi:10.1103/PhysRevA.92.022514
apa: Amaro, P., Franke, B., Krauth, J., Diepold, M., Fratini, F., Safari, L., …
Santos, J. (2015). Quantum interference effects in laser spectroscopy of muonic
hydrogen, deuterium, and helium-3. Physical Review A. American Physical
Society. https://doi.org/10.1103/PhysRevA.92.022514
chicago: Amaro, Pedro, Beatrice Franke, Julian Krauth, Marc Diepold, Filippo Fratini,
Laleh Safari, Jorge Machado, et al. “Quantum Interference Effects in Laser Spectroscopy
of Muonic Hydrogen, Deuterium, and Helium-3.” Physical Review A. American
Physical Society, 2015. https://doi.org/10.1103/PhysRevA.92.022514.
ieee: P. Amaro et al., “Quantum interference effects in laser spectroscopy
of muonic hydrogen, deuterium, and helium-3,” Physical Review A, vol. 92,
no. 2. American Physical Society, 2015.
ista: Amaro P, Franke B, Krauth J, Diepold M, Fratini F, Safari L, Machado J, Antognini
A, Kottmann F, Indelicato P, Pohl R, Santos J. 2015. Quantum interference effects
in laser spectroscopy of muonic hydrogen, deuterium, and helium-3. Physical Review
A. 92(2), 022514.
mla: Amaro, Pedro, et al. “Quantum Interference Effects in Laser Spectroscopy of
Muonic Hydrogen, Deuterium, and Helium-3.” Physical Review A, vol. 92,
no. 2, 022514, American Physical Society, 2015, doi:10.1103/PhysRevA.92.022514.
short: P. Amaro, B. Franke, J. Krauth, M. Diepold, F. Fratini, L. Safari, J. Machado,
A. Antognini, F. Kottmann, P. Indelicato, R. Pohl, J. Santos, Physical Review
A 92 (2015).
date_created: 2018-12-11T11:53:30Z
date_published: 2015-08-28T00:00:00Z
date_updated: 2025-09-23T10:01:00Z
day: '28'
department:
- _id: MiLe
doi: 10.1103/PhysRevA.92.022514
ec_funded: 1
external_id:
arxiv:
- '1506.02734'
isi:
- '000360284100006'
intvolume: ' 92'
isi: 1
issue: '2'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1506.02734
month: '08'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: Physical Review A
publication_status: published
publisher: American Physical Society
publist_id: '5451'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Quantum interference effects in laser spectroscopy of muonic hydrogen, deuterium,
and helium-3
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 92
year: '2015'
...
---
_id: '1695'
abstract:
- lang: eng
text: We give a comprehensive introduction into a diagrammatic method that allows
for the evaluation of Gutzwiller wave functions in finite spatial dimensions.
We discuss in detail some numerical schemes that turned out to be useful in the
real-space evaluation of the diagrams. The method is applied to the problem of
d-wave superconductivity in a two-dimensional single-band Hubbard model. Here,
we discuss in particular the role of long-range contributions in our diagrammatic
expansion. We further reconsider our previous analysis on the kinetic energy gain
in the superconducting state.
article_processing_charge: No
arxiv: 1
author:
- first_name: Jan
full_name: Kaczmarczyk, Jan
id: 46C405DE-F248-11E8-B48F-1D18A9856A87
last_name: Kaczmarczyk
orcid: 0000-0002-1629-3675
- first_name: Tobias
full_name: Schickling, Tobias
last_name: Schickling
- first_name: Jörg
full_name: Bünemann, Jörg
last_name: Bünemann
citation:
ama: 'Kaczmarczyk J, Schickling T, Bünemann J. Evaluation techniques for Gutzwiller
wave functions in finite dimensions. Physica Status Solidi (B): Basic Solid
State Physics. 2015;252(9):2059-2071. doi:10.1002/pssb.201552082'
apa: 'Kaczmarczyk, J., Schickling, T., & Bünemann, J. (2015). Evaluation techniques
for Gutzwiller wave functions in finite dimensions. Physica Status Solidi (B):
Basic Solid State Physics. Wiley. https://doi.org/10.1002/pssb.201552082'
chicago: 'Kaczmarczyk, Jan, Tobias Schickling, and Jörg Bünemann. “Evaluation Techniques
for Gutzwiller Wave Functions in Finite Dimensions.” Physica Status Solidi
(B): Basic Solid State Physics. Wiley, 2015. https://doi.org/10.1002/pssb.201552082.'
ieee: 'J. Kaczmarczyk, T. Schickling, and J. Bünemann, “Evaluation techniques for
Gutzwiller wave functions in finite dimensions,” Physica Status Solidi (B):
Basic Solid State Physics, vol. 252, no. 9. Wiley, pp. 2059–2071, 2015.'
ista: 'Kaczmarczyk J, Schickling T, Bünemann J. 2015. Evaluation techniques for
Gutzwiller wave functions in finite dimensions. Physica Status Solidi (B): Basic
Solid State Physics. 252(9), 2059–2071.'
mla: 'Kaczmarczyk, Jan, et al. “Evaluation Techniques for Gutzwiller Wave Functions
in Finite Dimensions.” Physica Status Solidi (B): Basic Solid State Physics,
vol. 252, no. 9, Wiley, 2015, pp. 2059–71, doi:10.1002/pssb.201552082.'
short: 'J. Kaczmarczyk, T. Schickling, J. Bünemann, Physica Status Solidi (B): Basic
Solid State Physics 252 (2015) 2059–2071.'
date_created: 2018-12-11T11:53:31Z
date_published: 2015-09-01T00:00:00Z
date_updated: 2025-09-23T08:42:07Z
day: '01'
department:
- _id: MiLe
doi: 10.1002/pssb.201552082
ec_funded: 1
external_id:
arxiv:
- '1503.03738'
isi:
- '000360671200022'
intvolume: ' 252'
isi: 1
issue: '9'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1503.03738
month: '09'
oa: 1
oa_version: Preprint
page: 2059 - 2071
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
publication: 'Physica Status Solidi (B): Basic Solid State Physics'
publication_status: published
publisher: Wiley
publist_id: '5449'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Evaluation techniques for Gutzwiller wave functions in finite dimensions
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 252
year: '2015'
...