Phase coherence in chaotic oscillatory media

被引：10

作者：

Brunnet, LG

Chate, H ^{[1
]}

机构：

[1] Ctr Etud Saclay, CEA, Serv Phys Etat Condense, F-91191 Gif Sur Yvette, France

[2] Univ Fed Rio Grande Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil

来源：

PHYSICA A | 1998年 / 257卷 / 1-4期

关键词：

D O I：

10.1016/S0378-4371(98)00157-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Collective oscillations of lattices of locally coupled chaotic Rossler oscillators are studied with regard to the dynamical scaling of their phase interfaces. Using analogies with the complex Ginzburg-Landau and the Kardar-Parisi-Zhang equations, we argue that phase coherence should be lost in the infinite-size limit. Our numerical results, however, indicate possible discrepancies with a Langevin-like description using an effective white-noise term. (C) 1998 Elsevier Science B.V. All rights reserved.

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收藏

页码：347 / 356

页数：10

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