Feedback coupling and self-organization

被引：0
|
作者：
Schulz, M [1 ]
Trimper, S [1 ]
机构：
[1] Univ Halle Wittenberg, Dept Phys, D-06099 Halle, Germany
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1999年 / 32卷 / 06期
关键词：
D O I：
10.1088/0305-4470/32/6/004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The correlation function of a kinetic Ising model offers a crossover from an exponential to an algebraic decay with a universal exponent when a feedback coupling is introduced via a stochastic field. The correlation of this field is directly related to the current spin correlation function. Due to the feedback coupling, at low temperatures there appears a strong slowing down resulting in a self-similar behaviour. We argue that such a self-organized mechanism should be relevant in glasses.
引用
收藏
页码：891 / 896
页数：6
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