CRITICAL TEMPERATURE CURVES FOR THE GENERALIZED MIXED SPIN MODEL

WANG FU-GAO; HU JIA-ZHEN

doi:10.7498/aps.42.1179-2

Abstract
In this paper, we propose a generalized mixed spin model on the union jack lattice. The mean field. free-fermion approximations and equiscale transformation in the same universality class method are applied to this model. The critical temperature curves obtained by different methods agree with each other quite well. We also compare the three different methods. In some special cases, the same critical points as in exactly solved models are obtained.
Authors and contacts
WANG FU-GAO,

HU JIA-ZHEN

1.
上海交通大学应用物理系凝聚态物理研究所,上海200030
References

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Vol. 42, Issue 7 - 1993-04-05

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