On-off collective imperfect phase synchronization and bursts in wave energy in a turbulent state

被引：38

作者：

He, KF

Chian, ACL

机构：

[1] CCAST, World Lab, Beijing 100080, Peoples R China

[2] Beijing Normal Univ, Inst Low Energy Nucl Phys, Beijing 100875, Peoples R China

[3] Univ Adelaide, NITP, WISER, Adelaide, SA 5005, Australia

[4] INPE, BR-12227010 Sao Jose Dos Campos, SP, Brazil

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1103/PhysRevLett.91.034102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new type of synchronization, on-off collective imperfect phase synchronization, is found in a turbulent state. In the driver frame the nonlinear wave system can be transformed to a set of coupled oscillators moving in a potential related to the unstable steady wave. In "on" stages the oscillators in different spatial scales adjust themselves to collective imperfect phase synchronization, inducing strong bursts in the wave energy. The interspike intervals display a power-law distribution. In addition to the embedded saddle point, it is emphasized that the delocalization of the master mode also plays an important role in developing the on-off synchronization.

引用

页数：4

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