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Title:

Localization persisting under aperiodic driving

Document type:
Zeitschriftenaufsatz
Author(s):
Zhao, Hongzheng; Mintert, Florian; Knolle, Johannes; Moessner, Roderich
Abstract:
Localization may survive in periodically driven (Floquet) quantum systems, but is generally unstable for aperiodic drives. In this Letter, we identify a hidden conservation law originating from a chiral symmetry in a disordered spin-12 XX chain. This protects indefinitely long-lived localization for general—even aperiodic—drives. Therefore, rather counterintuitively, adding further potential disorder which spoils the conservation law delocalizes the system, via a controllable parametrically long...     »
Journal title:
Physical Review B 2022-06
Year:
2022
Journal volume:
105
Journal issue:
22
Fulltext / DOI:
doi:10.1103/physrevb.105.l220202
Publisher:
American Physical Society (APS)
E-ISSN:
2469-99502469-9969
Date of publication:
06.06.2022
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