Lebowitz Inequalities for Ashkin-Teller Systems
Statistical Mechanics
2007-05-23 v2
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.
Cite
@article{arxiv.cond-mat/9911046,
title = {Lebowitz Inequalities for Ashkin-Teller Systems},
author = {L. Chayes and K. Shtengel},
journal= {arXiv preprint arXiv:cond-mat/9911046},
year = {2007}
}
Comments
Ams-TeX, 12 pages; two references added, final version accepted for publication in Physica A