Interferometric probes of many-body localization Maksym Serbyn ; https://orcid.org/0000-0002-2399-5827 Knap, Michael J Gopalakrishnan, Sarang Papić, Zlatko Yao, Norman Y Laumann, Chris R Abanin, Dmitry A Lukin, Mikhail D Demler, Eugene A We propose a method for detecting many-body localization (MBL) in disordered spin systems. The method involves pulsed coherent spin manipulations that probe the dephasing of a given spin due to its entanglement with a set of distant spins. It allows one to distinguish the MBL phase from a noninteracting localized phase and a delocalized phase. In particular, we show that for a properly chosen pulse sequence the MBL phase exhibits a characteristic power-law decay reflecting its slow growth of entanglement. We find that this power-law decay is robust with respect to thermal and disorder averaging, provide numerical simulations supporting our results, and discuss possible experimental realizations in solid-state and cold-atom systems. American Physical Society 2014 info:eu-repo/semantics/article doc-type:article text http://purl.org/coar/resource_type/c_2df8fbb1 https://research-explorer.ista.ac.at/record/977 Serbyn M, Knap M, Gopalakrishnan S, et al. Interferometric probes of many-body localization. <i>Physical Review Letters</i>. 2014;113(14). doi:<a href="https://doi.org/10.1103/PhysRevLett.113.147204">10.1103/PhysRevLett.113.147204</a> info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevLett.113.147204 info:eu-repo/semantics/openAccess