System size stochastic resonance in driven finite arrays of coupled bistable elements

被引：6
|
作者：
Morillo, M. [1 ]
Gomez-Ordonez, J. [1 ]
Casado, J. M. [1 ]
机构：
[1] Univ Seville, Fac Fis, Apartado Correos 1065, E-41080 Seville, Spain
来源：
EUROPEAN PHYSICAL JOURNAL B | 2010年 / 74卷 / 02期
关键词：
STATISTICAL-MECHANICS; MODEL; AMPLIFICATION;
D O I：
10.1140/epjb/e2010-00084-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The global response to weak time periodic forces of an array of noisy, coupled nonlinear systems might show a nonmonotonic dependence on the number of units in the array. This effect has been termed system size stochastic resonance by other authors. In this paper, we focus on a collective variable of a finite array of one-dimensional globally coupled bistable elements. We analyze the possible nonmonotonic dependence on the system size of its power spectral amplification and its signal-to-noise ratio.
引用
收藏
页码：211 / 215
页数：5
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