MAGNETIZATION AND UNIVERSAL SUBCRITICAL BEHAVIOR IN 2-DIMENSIONAL XY MAGNETS

被引：220

作者：

BRAMWELL, ST ^{[1
]}

HOLDSWORTH, PCW ^{[1
]}

机构：

[1] ECOLE NORMALE SUPER LYON,PHYS LAB,F-69634 LYON,FRANCE

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1993年 / 5卷 / 04期

关键词：

D O I：

10.1088/0953-8984/5/4/004

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Layered magnets, considered to be experimental realizations of the 2D XY model, have a magnetization with a characteristic exponent beta = 0.23. We show, using modified renormalization group equations, that this value of beta is a universal signature of finite-sized 2D XY behaviour. We present simulation data in agreement with both the calculation and the experimental observations.

引用

页码：L53 / L59

页数：7

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