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Absence of replica symmetry breaking in the Edwards-Anderson model near zero temperature

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arxiv 2102.02520 v4 pith:L6TV37UQ submitted 2021-02-04 math-ph cond-mat.stat-mechmath.MP

Absence of replica symmetry breaking in the Edwards-Anderson model near zero temperature

classification math-ph cond-mat.stat-mechmath.MP
keywords edwards-andersonmodelstatebreakinggroundmaximalnearoverlap
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It is proven that the ground state is unique in the Edwards-Anderson model for almost all continuous random exchange interactions, and any excited state with the overlap less than its maximal value has large energy in dimensions higher than two with probability one. Since the spin overlap is shown to be concentrated at its maximal value in the ground state, replica symmetry breaking does not occur in the Edwards-Anderson model near zero temperature.

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