RANDOM MAGNETIC-FIELDS, SUPERSYMMETRY, AND NEGATIVE DIMENSIONS

被引：799

作者：

PARISI, G ^{[1
]}

SOURLAS, N ^{[1
]}

机构：

[1] ECOLE NORM SUPER,PHYS THEOR LAB,F-75231 PARIS 5,FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 43卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.43.744

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We prove the equivalence, near the critical point, of a D-dimensional spin system in a random external magnetic field with a (D-2)-dimensional spin system in the absence of a magnetic field. This is due to the hidden supersymmetry of the associated stochastic differential equation. We identify a space with one anticommuting coordinate with a space having negative dimensions -2. © 1983 The American Physical Society.

引用

页码：744 / 745

页数：2

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