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On the uniqueness of Gibbs states in the Pirogov-Sinai theory

J. L. Lebowitz, A. E. Mazel

cond-mat.stat-mecharXiv:cond-mat/9703084

Abstract

We prove that, for low-temperature systems considered in the Pirogov-Sinai theory, uniqueness in the class of translation-periodic Gibbs states implies global uniqueness, i.e. the absence of any non-periodic Gibbs state. The approach to this infinite volume state is exponentially fast.

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