Baxter–Wu model according to a mean-field approach

M.F. Cavalcante and J.A. Plascak

Physica A: Statistical Mechanics and its Applications, 2019, vol. 518, issue C, 111-118

Abstract: The Baxter–Wu model in one, two, and three dimensions is studied according to a mean-field-like approach. The thermodynamics and the phase transition behavior are obtained by considering different types of clusters. The mean-field solution shows that the model presents a first-order phase transition in any dimension, contrary to the exact result of a second-order transition in the two-dimensional model. Although the one-dimensional version has no phase transition at finite temperatures, the Baxter–Wu model on a three-dimensional lattice may indeed undergo a first-order transition.

Keywords: Baxter–Wu model; Mean-field approach; Phase transitions (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:518:y:2019:i:c:p:111-118

DOI: 10.1016/j.physa.2018.11.063

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