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Dynamical many-body localization in an integrable model

Keser, Aydin Cem and Ganeshan, Sriram and Refael, Gil and Galitski, Victor (2016) Dynamical many-body localization in an integrable model. Physical Review B, 94 (8). Art. No. 085120. ISSN 2469-9950. doi:10.1103/PhysRevB.94.085120.

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We investigate dynamical many-body localization and delocalization in an integrable system of periodically-kicked, interacting linear rotors. The linear-in-momentum Hamiltonian makes the Floquet evolution operator analytically tractable for arbitrary interactions. One of the hallmarks of this model is that depending on certain parameters, it manifests both localization and delocalization in momentum space. We present a set of “emergent” integrals of motion, which can serve as a fundamental diagnostic of dynamical localization in the interacting case. We also propose an experimental scheme, involving voltage-biased Josephson junctions, to realize such many-body kicked models.

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Additional Information:© 2016 American Physical Society. Received 30 June 2015; revised manuscript received 18 July 2016; published 11 August 2016. This work was supported by US-ARO, Australian Research Council, and Simons Foundation (A.C.K. and V.G.). S.G. gratefully acknowledges support by NSF-JQI-PFC and LPS-MPO-CMTC. G.R. is grateful for support from the IQIM and the Moore Foundation and the NSF under Grant No. DMR-1410435. The authors are grateful to Sankar Das Sarma and Efim Rozenbaum for useful discussions.
Group:Institute for Quantum Information and Matter
Funding AgencyGrant Number
Army Research Office (ARO)UNSPECIFIED
Australian Research CouncilUNSPECIFIED
Simons FoundationUNSPECIFIED
Joint Quantum Institute (JQI)UNSPECIFIED
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
NSF Physics Frontiers CenterUNSPECIFIED
Issue or Number:8
Record Number:CaltechAUTHORS:20160811-105244924
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Official Citation:Dynamical many-body localization in an integrable model Aydin Cem Keser, Sriram Ganeshan, Gil Refael, and Victor Galitski Phys. Rev. B 94, 085120 (2016)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:69567
Deposited By: Ruth Sustaita
Deposited On:11 Aug 2016 21:36
Last Modified:11 Nov 2021 04:16

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