Abstract
We investigate low temperature properties of an Ising ferromagnet when the nearest neighbour coupling constant is dominant. We show that all the translationally invariant equilibrium states are a superposition of only two extremal states.
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Capocaccia, D., Cassandro, M. & Ciccotti, G. Equilibrium states of an Ising ferromagnet in the low temperature region. Commun.Math. Phys. 29, 31–42 (1973). https://doi.org/10.1007/BF01661149
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DOI: https://doi.org/10.1007/BF01661149