Improved Lower Bounds on the Ground-State Entropy of the Antiferromagnetic Potts Model

preprint2015arXivOpen access

We present generalized methods for calculating lower bounds on the ground-state entropy per site, $S_0$ , or equivalently, the ground-state degeneracy per site, $W=e^{S_0/k_B}$ , of the antiferromagnetic Potts model. We use these methods to derive improved lower bounds on $W$ for several lattices.

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Improved Lower Bounds on the Ground-State Entropy of the Antiferromagnetic Potts Model

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