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Title:

Statistical localization: From strong fragmentation to strong edge modes

Document type:
Zeitschriftenaufsatz
Author(s):
Rakovszky, Tibor; Sala, Pablo; Verresen, Ruben; Knap, Michael; Pollmann, Frank
Abstract:
Certain disorder-free Hamiltonians can be nonergodic due to a strong fragmentation of the Hilbert space into disconnected sectors. Here, we characterize such systems by introducing the notion of “statistically localized integrals of motion” (SLIOM), whose eigenvalues label the connected components of the Hilbert space. SLIOMs are not spatially localized in the operator sense, but appear localized to subextensive regions when their expectation value is taken in typical states with a finite densit...     »
Journal title:
Physical Review B 2020-03
Year:
2020
Journal volume:
101
Journal issue:
12
Fulltext / DOI:
doi:10.1103/physrevb.101.125126
Publisher:
American Physical Society (APS)
E-ISSN:
2469-99502469-9969
Date of publication:
25.03.2020
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