ONSAGER REACTION FIELD FOR THE POTTS-MODEL FROM THE PATH INTEGRAL

被引：9

作者：

KHOLODENKO, AL

机构：

[1] 375 Hunter Laboratories, Clemson University, Clemson, 29634-1905, South Carolina

来源：

JOURNAL OF STATISTICAL PHYSICS | 1990年 / 58卷 / 1-2期

关键词：

functional integrals; Ising model; Potts model;

D O I：

10.1007/BF01020297

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new path integral formulation for the q-state Potts model is proposed. This formulation reproduces known results for the Ising model (q=2) and naturally extends these results for arbitrary q. The mean field results for both the Ising and the Potts models are obtained as a leading saddle point contribution to the corresponding functional integrals, while the systematic computation of corrections to the saddle point contribution produces the Onsager reaction field terms, which for q=2 coincide with results already known for the Ising model. © 1990 Plenum Publishing Corporation.

引用

页码：355 / 370

页数：16

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