{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"74ec651e98694f53dcba3d54eb8d55d3599ed1a8226b5fa84ef20921fe12bdfc","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["4314c2ce515f5cc659010301c45d01df15fe26f23b74a61dfe080aaa3b22c6b2","ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b"],"salt":"767cd207234a3b9de6dec784166b5942f18faa0e6e1c73f0be27441389c7c32c","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"classification","assisted_by":[],"external_id":"cm.dqpt.order-parameter-zeros","kind":"well-posed","literature_status":"open","n":"2","parents":[],"plain":"In some models the kinks happen exactly when the measured order of the system passes through zero, in others they do not. When the two coincide is unknown.","posed_since":"","precise":"For quenches from a symmetry-broken state, determine the conditions under which the nonanalytic times $t_c$ of the Loschmidt rate $l(t)$ coincide with zeros or sign changes of the order-parameter expectation value $m(t)$. Answer: a criterion valid for interacting models in $d = 1 \\text{ and } 2$.","problem_ref":"4314c2ce515f5cc659010301c45d01df15fe26f23b74a61dfe080aaa3b22c6b2","references":"","settled_by":"A criterion proved, or verified numerically across interacting models in $d = 1\\text{ and }2$, including cases with and without coincidence.","status_note":"","title":"Do dynamical transition times coincide with zeros of the order parameter?","topic_ref":null},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"a86db199dcef362e1c0ed402c005596824bfe90e22824cd8918cdba836062a9b","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"db5fed5634e491d286971980d2319ec502467e6dc1adeee49d1bc4d4cfa39521","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"zabDdz89VeWJWjcV16S22lklPyk6WHpDh42CVIFtx2o7AaxktkcdHVGLk-9lTiKldFndxFfjPN5KfMUgJ5aLDg"},"schema":"pubphys.envelope/1"},"record_hash":"a86db199dcef362e1c0ed402c005596824bfe90e22824cd8918cdba836062a9b","leaf_index":2766}