CONSERVATION-LAWS, ANISOTROPY, AND SELF-ORGANIZED CRITICALITY IN NOISY NONEQUILIBRIUM SYSTEMS

被引:198
作者
GRINSTEIN, G [1 ]
LEE, DH [1 ]
SACHDEV, S [1 ]
机构
[1] YALE UNIV, CTR THEORET PHYS, NEW HAVEN, CT 06511 USA
关键词
D O I
10.1103/PhysRevLett.64.1927
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
It is argued in the context of noisy, nonequilibrium Langevin models that systems with conserving deterministic dynamics and noise which violates the conservation law always exhibit self-organized criticality spatial and temporal correlations that decay algebraically under generic conditions. Systems with both conserving deterministic dynamics and conserving noise require spatial anisotropy to exhibit self-organized criticality. © 1990 The American Physical Society.
引用
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页码:1927 / 1930
页数:4
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