RANDOM MAGNETIC-FIELDS AND INSTANTONS IN REPLICA SPACE

被引：17

作者：

PARISI, G

DOTSENKO, V

机构：

[1] Dipartimento di Fisica, Roma Univ.

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1992年 / 25卷 / 11期

关键词：

D O I：

10.1088/0305-4470/25/11/022

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study a ferromagnet in a random magnetic field using the replica method. We find that the mean field equations have localized solutions (i.e. instantons), which are not invariant under rotations in replica space. The relevance and the properties of these solutions are studied.

引用

页码：3143 / 3151

页数：9

共 7 条

[1] NONANALYTIC BEHAVIOR ABOVE CRITICAL POINT IN A RANDOM ISING FERROMAGNET [J].