BETHE LATTICE APPROXIMATION OF LONG-RANGE INTERACTION ISING-MODELS

被引：10

作者：

MONROE, JL

机构：

[1] Department of Physics, Monaca, PA 15061, Penn State University - Beaver Campus, Broadhead Rd.

来源：

PHYSICS LETTERS A | 1992年 / 171卷 / 5-6期

关键词：

D O I：

10.1016/0375-9601(92)90671-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An extension or modification of the usual Bethe lattice is used to approximate one-dimensional Ising models with long-range pair interactions of the form SIGMA (J/m(THETA)sigma(i)sigma(i+m). In particular an expression is obtained which allows one to obtain the critical temperature, T(c), as a function of THETA, in this approximation. Our results are compared to a number of other T(c) approximations.

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页码：427 / 430

页数：4

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