Mean field renormalization group study of a modified Ashkin-Teller model

P. Pawlicki, G. Musial, G. Kamieniarz and J. Rogiers

Physica A: Statistical Mechanics and its Applications, 1997, vol. 242, issue 1, 281-289

Abstract: We study the phase diagram of a generalization of the Ashkin-Teller model in two dimensions using the mean-field renormalization group (MFRG) theory. We calculate critical surfaces for this three-parameter Hamiltonian of the model using two different approaches, and we discuss the resulting phase diagram and compare it with the results from the molecular-field approximation.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:242:y:1997:i:1:p:281-289

DOI: 10.1016/S0378-4371(97)00216-1

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