Lebowitz inequalities for Ashkin–Teller systems

L Chayes and K Shtengel

Physica A: Statistical Mechanics and its Applications, 2000, vol. 279, issue 1, 312-323

Abstract: We consider the Ashkin–Teller model with negative four-spin coupling but still in the region where the ground state is ferromagnetic. We establish the standard Lebowitz inequality as well as the extension that is necessary to prove a divergent susceptibility.

Keywords: Lebowitz inequalities; Ashkin–Teller models; Random cluster and loop representations (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:279:y:2000:i:1:p:312-323

DOI: 10.1016/S0378-4371(99)00516-6

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