THERMODYNAMIC-ZETA FUNCTIONS FOR ISING-MODELS WITH LONG-RANGE INTERACTIONS

被引：15

作者：

MAINIERI, R

机构：

[1] Center for Nonlinear Studies, Mail Stop B258, Los Alamos National Laboratory, Los Alamos

来源：

PHYSICAL REVIEW A | 1992年 / 45卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.45.3580

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The use of cycle expansions for spin systems with long-range interactions is explored numerically. It is found that the thermodynamic zeta function is an effective tool, both in practice and in principle, for the study of Ising models with power-law interactions. To deal with phase transitions the cycle expansion is factorized, and accurate phase-transition points for several power-law models are obtained, together with other thermodynamic quantities.

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页码：3580 / 3591

页数：12

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