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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 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