The effect of pure state structure on nonequilibrium dynamics

C. M. Newman, D. L. Stein

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Motivated by short-range Ising spin glasses, we review some rigorous results and their consequences for the relation between the number/nature of equilibrium pure states and nonequilibrium dynamics. Two of the consequences for spin glass dynamics following an instantaneous deep quench to a temperature with broken spin flip symmetry are: (1) almost all initial configurations lie on the boundary between the basins of attraction of multiple pure states; (2) unless there are uncountably many pure states with almost all pairs having zero overlap, there can be no equilibration to a pure state as time . We discuss the relevance of these results to the difficulty of equilibration of spin glasses. We also review some results concerning the 'nature versus nurture' problem of whether the large-t behavior of both ferromagnets and spin glasses following a deep quench is determined more by the initial configuration (nature) or by the dynamics realization (nurture).

Original languageEnglish (US)
Article number244132
JournalJournal of Physics Condensed Matter
Issue number24
StatePublished - Jun 18 2008

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics


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