{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"0ac0da33b884f62c54da11b2c45b9ac75d4288b82413f5eff96ff7b6489ca2c7","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"b73ee2f2fe0b68d93ecbbeb2ff94f7ee270138132e5fe28cd8e18a245be0788c","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.eth","field":"cm","n":"1","review_cite":"L. D'Alessio, Y. Kafri, A. Polkovnikov, M. Rigol, From quantum chaos and eigenstate thermalization to statistical mechanics and thermodynamics, Advances in Physics, 2016","review_link":"https://doi.org/10.1080/00018732.2016.1198134","review_verified":"true","summary":"An isolated system of many interacting quantum particles usually reaches thermal equilibrium on its own, because each of its energy eigenstates already looks thermal to small probes (the eigenstate thermalization hypothesis, ETH). Systems with many extra conserved quantities (integrable systems) violate this, and what happens in between is poorly understood.","title":"Eigenstate thermalization and integrability breaking","topic_ref":null,"why":"ETH is the working explanation of how statistical mechanics follows from quantum mechanics, and its limits decide which systems can keep information out of equilibrium."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"f62a7d7a92b8ce372b8637292294f8e379b3819f39a5ca4ca46a9a2b536b312c","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"817e38df7d2c5f9d64fc07cfbdd613e24c46fa615fb2bf7542887f13730bd9b6","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"nFjxRLW1mpMu2kzA26zASjLZ8x4esrFD6vctgKIc1lKlY7SHK19OPrFm9WLFJ2fqGz5rQGCTwAvrpUFx7J1sCw"},"schema":"pubphys.envelope/1"},"record_hash":"f62a7d7a92b8ce372b8637292294f8e379b3819f39a5ca4ca46a9a2b536b312c","leaf_index":130}