Gradient Gibbs measures of an SOS model with alternating magnetism on Cayley trees
Abstract
The work is devoted to gradient Gibbs measures (GGMs) of a SOS model with countable set Z of spin values and having alternating magnetism on Cayley trees. This model is defined by a nearest-neighbor gradient interaction potential. Using K\"ulske-Schriever argument, based on boundary law equations, we give several q-height-periodic translations invariant GGMs for q=2,3,4.
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