Numerical study of the random transverse-field Ising spin chain

被引：202

作者：

Young, AP

Rieger, H

机构：

[1] UNIV COLOGNE, INST THEORET PHYS, D-50937 COLOGNE, GERMANY

[2] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, HOECHSTLEISTUNGSTRECHENZENTRUM, D-52425 JULICH, GERMANY

来源：

PHYSICAL REVIEW B | 1996年 / 53卷 / 13期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.53.8486

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study numerically the critical region and the disordered phase of the random transverse-field Ising chain. By using a mapping of Lieb, Schultz, and Mattis to noninteracting fermions, we can obtain a numerically exact solution for rather large system sizes, L less than or equal to 128. Our results confirm the striking predictions of earlier analytical work and, in addition, give results for some probability distributions and scaling functions.

引用

页码：8486 / 8498

页数：13

共 18 条

[1]

[Anonymous], 1992, SMR

[2]

ASAKAWA H, UNPUB

[3] RANDOM-BOND ISING CHAIN IN A TRANSVERSE MAGNETIC-FIELD - A FINITE-SIZE-SCALING ANALYSIS [J].