ON THE HELICITY MODULUS, THE CRITICAL-TEMPERATURE AND MONTE-CARLO SIMULATIONS FOR THE 2-DIMENSIONAL XY-MODEL

被引：25

作者：

OLSSON, P

MINNHAGEN, P

机构：

[1] Department of Theoretical Physics, Umeȩ University

来源：

PHYSICA SCRIPTA | 1991年 / 43卷 / 02期

关键词：

D O I：

10.1088/0031-8949/43/2/016

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A lattice size dependence of the helicity modulus for the two-dimensional XY-model is inferred by aid of the Coulomb gas-vortex analogy and an explicit form of this dependence is obtained from a set of self-consistent equations for the Coulomb gas. High precision Monte Carlo simulations in conjunction with this inferred lattice size dependence is used to determine the critical temperature. Some other recent results in the literature are discussed in the light of the present investigation.

引用

页码：203 / 209

页数：7

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