Stochastic resonance in a model of opinion formation on small-world networks

被引：70
|
作者：
Kuperman, M [1 ]
Zanette, D
机构：
[1] Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[2] Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
来源：
EUROPEAN PHYSICAL JOURNAL B | 2002年 / 26卷 / 03期
关键词：
D O I：
10.1140/epjb/e20020104
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We analyze the phenomenon of stochastic resonance in an Ising-like system on a small-world network. The system, which is subject to the combined action of noise and an external modulation, can be interpreted as a stylized model of opinion formation by imitation under the effects of a "fashion wave". Both the amplitude threshold for the detection of the external modulation and the width of the stochastic-resonance peak show considerable variation as the randomness of the underlying small-world network is changed.
引用
收藏
页码：387 / 391
页数：5
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