Eigenstate thermalization on average

Joe Dunlop*, Oliver Cohen, A J Short

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review


We consider conditions under which an isolated quantum system approaches a microcanonical equilibrium state. A key component is the eigenstate thermalization hypothesis, which proposes that all energy eigenstates appear thermal. We introduce a weaker version of this requirement, applying only to the average distinguishability of eigenstates from the thermal state, and investigate its necessity and sufficiency for thermalization.
Original languageEnglish
Article number024135
JournalPhysical Review E
Issue number2
Publication statusPublished - 26 Aug 2021

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