{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"c0f473f605eb8cfd3a5309996671a636985d802ef603902793fac4e816359a52","created":"2026-10-03T07:17:59Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011","8753dd13b8621663d17902cb1316503429646ae2d264b03037291ba964898bf8"],"salt":"0a2732b42f9ab260729eec2403d1346a404e7c01e1963d6eab70cb9516b71cd2","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":"1","parents":[{"note":"","parent_revision":"8753dd13b8621663d17902cb1316503429646ae2d264b03037291ba964898bf8","relation":"special_case"}],"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":null,"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":"f0f2c6f7bdd6262d6700dc8806ab5f70f58e1999b1e12bad11c2bf274d3c1f12"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"4314c2ce515f5cc659010301c45d01df15fe26f23b74a61dfe080aaa3b22c6b2","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"20d30db00570c47e82eee0c619236af2d780a3d73422dd5dbf49219fc9b48f4a","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"Go97xk3rjvZ6FPuAmIVsHK5Oi3oDRjv2sU1h4SFIazO6-ABm3PEymQ2v29ZGI2P7946_9o_gnCiFrFkQMeFrCg"},"schema":"pubphys.envelope/1"},"record_hash":"4314c2ce515f5cc659010301c45d01df15fe26f23b74a61dfe080aaa3b22c6b2","leaf_index":957}