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Title:

Distinguishing localization from chaos: Challenges in finite-size systems

Document type:
Zeitschriftenaufsatz
Author(s):
Abanin, D.A.; Bardarson, J.H.; De Tomasi, G.; Gopalakrishnan, S.; Khemani, V.; Parameswaran, S.A.; Pollmann, F.; Potter, A.C.; Serbyn, M.; Vasseur, R.
Abstract:
We re-examine attempts to study the many-body localization transition using measures that are physically natural on the ergodic/quantum chaotic regime of the phase diagram. Using simple scaling arguments and an analysis of various models for which rigorous results are available, we find that these measures can be particularly adversely affected by the strong finite-size effects observed in nearly all numerical studies of many-body localization. This severely impacts their utility in probing the...     »
Journal title:
Annals of Physics 2021-04
Year:
2021
Journal volume:
427
Pages contribution:
168415
Fulltext / DOI:
doi:10.1016/j.aop.2021.168415
Publisher:
Elsevier BV
E-ISSN:
0003-4916
Date of publication:
01.04.2021
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