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Delayed Thermalization in Mass-Deformed SYK

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arxiv 2206.08599 v1 pith:TS5EDQNM submitted 2022-06-17 cond-mat.str-el cond-mat.dis-nncond-mat.stat-mechhep-thquant-ph

classification cond-mat.str-elcond-mat.dis-nncond-mat.stat-mechhep-thquant-ph
keywords localizationdelayedmany-bodymass-deformedmodelregimeresultsthermalization
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We study the thermalizing properties of the mass-deformed SYK 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. 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 many-body localization should be interpreted as a strict Fock-space localization.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Probing the Hierarchy of Genuine Multipartite Entanglement with Generalized Latent Entropy

    hep-th 2025-10 conditional novelty 6.0 of 10

    A generalized latent-entropy measure orders k-uniform states, maxes out on AME states, shows odd-party random states saturate it, and distinguishes SYK variants.

  2. Krylov Complexity in Mixed Phase Space

    hep-th 2024-12 conditional novelty 6.0 of 10

    The Krylov complexity peak height correlates with the Brody parameter in mixed-phase-space quantum systems, diminishing as the spectrum becomes Poissonian.

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