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Delayed thermalization in the mass-deformed Sachdev-Ye-Kitaev model

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Title
Delayed thermalization in the mass-deformed Sachdev-Ye-Kitaev model
Author(s)
Dillip Kumar Nandy; Tilen Cadež; Barbara Dietz; Alexei Andreanov; Dario Rosa
Publication Date
2022-12
Journal
Physical Review B, v.106, no.24
Publisher
American Physical Society
Abstract
We study the thermalizing properties of the mass-deformed Sachdev-Ye-Kitaev model, in a regime of parameters where the eigenstates are ergodically extended over just portions of the full Fock space, as an all-to-all toy model of many-body localization (MBL). Our numerical results strongly support the hypothesis that, although considerably delayed, thermalization is still present in this regime. Our results add to recent studies indicating that MBL should be interpreted as a strict Fock-space localization. © 2022 American Physical Society.
URI
https://pr.ibs.re.kr/handle/8788114/12466
DOI
10.1103/PhysRevB.106.245147
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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