MONTE-CARLO EVIDENCE OF FINITE-TEMPERATURE CHIRAL ORDERING IN A 3-DIMENSIONAL XY SPIN-GLASS

被引：12

作者：

KAWAMURA, H

机构：

[1] Department of Physics, College of General Education, Osaka University, Osaka 560, Toyonaka

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1992年 / 61卷 / 09期

关键词：

SPIN GLASS; CHIRAL GLASS; XY MODEL; CHIRALITY; CHIRAL ORDER; CRITICAL EXPONENTS; MONTE-CARLO SIMULATION; FINITE-SIZE SCALING;

D O I：

10.1143/JPSJ.61.3062

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The nearest-neighbor +/-JXY (plane rotator) spin glass in three dimensions is studied by means of a Monte Carlo simulation, with a focus on its chiral ordering. Finite-size scaling analysis indicates that the chiral-glass transition takes place at a finite temperature with the associated exponents nu(c) = 1.5 +/- 0.3 and eta(c) = -0.4 +/- 0.2, whereas the conventional spin-glass ordering occurs only at zero temperature. The obtained chiral-glass exponents are close to the spin-glass exponents of a three-dimensional Ising spin glass.

引用

页码：3062 / 3066

页数：5

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