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Localization persisting under aperiodic driving
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DOI：10.1103/PhysRevB.105.L220202.png)
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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-21 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-lived prethermal regime. This provides an example of persistent single-particle localization without eigenstates.
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3.7
论文数:
15.4W
被引数:
41.0W
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