Dominance of milnor attractors and noise-induced selection in a multiattractor system

被引：91

作者：

Kaneko, K

机构：

[1] Department of Pure and Applied Sciences, College of Arts and Sciences, University of Tokyo, Tokyo, 153, Komaba, Meguro-ku

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.78.2736

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In a multiattractor state of a globally coupled dynamical system, stability of the attractors is studied by recording the return rates to themselves after perturbations. Besides the basin volume, attractors are characterized by strength, defined as the threshold perturbation for the full return rate. It is observed that Milnor attractors with a vanishing strength an dominant in the partially ordered phase. Attractions to weak attractors are found to be often enhanced with the addition of a noise, selectively for its amplitude.

引用

页码：2736 / 2739

页数：4

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