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Bibliographic Details
Main Authors: Vardi, Amichay, Cohen, Doron
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2508.00949
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Table of Contents:
  • We consider a minimal model for quantum thermalization of coupled chaotic subsystems. The route towards ergodicity is explored as a function of the coupling strength. The results are contrasted with the predictions of standard Random Matrix Theory (RMT) and the Eigenstates Thermalization Hypothesis (ETH). We highlight a coupling regime of disparity between the spectral statistics that indicates chaos, and ergodicity measures that indicate lack of ETH thermalization. The analysis involves a revision of the energy shell concept, in a way that is consistent but independent of the semiclassical perspective.