PERTURBATIVE ANALYSIS OF THE CLASSICAL 2-DIMENSIONAL XY-MODEL

被引：3
|
作者：
PIRES, AST
机构：
[1] Departamento de Fisica, Universidade Federal de Minas Gerais, Belo Horizonte, 30161970 MG
来源：
SOLID STATE COMMUNICATIONS | 1995年 / 96卷 / 11期
关键词：
D O I：
10.1016/0038-1098(95)00422-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The statistical mechanics of the two-dimensional classical (three component) XY ferromagnetic model is approached by a self-consistent harmonic approximation. The presence of out-of-plane fluctuations reduce the Kosterlitz-Thouless transition temperature from the value expected for the planar model T-KT/J=0.90 to T-KT/J = 0.76.
引用
收藏
页码：915 / 918
页数：4
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