STUDY OF AN ISING-MODEL WITH COMPETING LONG-RANGE AND SHORT-RANGE INTERACTIONS

被引：293

作者：

LOW, U

EMERY, VJ

FABRICIUS, K

KIVELSON, SA

机构：

[1] UNIV WUPPERTAL,DEPT PHYS,D-42097 WUPPERTAL,GERMANY

[2] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90024

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.72.1918

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A classical spin-one lattice gas model is used to study the competition between short-range ferromagnetic coupling and long-range antiferromagnetic Coulomb interactions. The model is a coarse-grained representation of frustrated phase seapration in high-temperature superconductors. The ground states are determined for the complete range of parameters by using a combination of numerical and analytical techniques. The crossover between ferromagnetic and antiferromagnetic states proceeds via a rich structure of highly symmetric striped and checkerboard phases. There is no devil's staircase behavior because mixtures of stripes with different period phase separate.

引用

页码：1918 / 1921

页数：4

共 3 条

[1] ONE-DIMENSIONAL ISING-MODEL AND THE COMPLETE DEVILS STAIRCASE [J].