Abstract
In this paper, we consider the Potts–SOS model where the spin takes values in the set {0, 1, 2} on the Cayley tree of order two. We describe all the translation-invariant splitting Gibbs measures (GMs) for this model in some conditions. Moreover, we investigate whether these GMs are extremal or non-extremal in the set of all GMs.
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More From: Journal of Statistical Mechanics: Theory and Experiment
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