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Published August 15, 2016 | Published + Submitted
Journal Article Open

Dynamical many-body localization in an integrable model

Abstract

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.

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.

Attached Files

Published - PhysRevB.94.085120.pdf

Submitted - 1506.05455v2.pdf

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August 20, 2023
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