RENORMALIZATION GROUP-APPROACH TO THE CRITICAL DYNAMICS OF A HEISENBERG SPIN GLASS

被引：1
作者：
HERTZ, JA
KLEMM, RA
机构：
[1] UNIV CHICAGO,CHICAGO,IL 60637
[2] IOWA STATE UNIV SCI & TECHNOL,US DOE,AMES LAB,AMES,IA 50011
[3] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS,AMES,IA 50011
来源：
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 13期
关键词：
D O I：
10.1088/0022-3719/12/13/008
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The dynamical transport coefficient Gamma for a Heisenberg spin glass with mode-mode coupling and a conserved spin is calculated using the expansion applied to the time dimensionality. The upper critical time dimension d tc equals 2 for the spatial dimensionality d>4 and equals d/2 for 2<d<4. To leading order in epsilon =dt c-dt, Gamma is found to exhibit critical 'speeding up'.
引用
收藏
页码：L527 / L529
页数：3
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