Periodic phase synchronization in coupled chaotic oscillators

被引：17
|
作者：
Kye, WH [1 ]
Lee, DS
Rim, S
Kim, CM
Park, YJ
机构：
[1] Pai Chai Univ, Natl Creat Res Initiat Ctr Controlling Opt Chaos, Taejon 302735, South Korea
[2] Sogang Univ, Dept Phys, Seoul 121742, South Korea
来源：
PHYSICAL REVIEW E | 2003年 / 68卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.68.025201
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We investigate the characteristics of temporal phase locking states observed in the route to phase synchronization. It is found that before phase synchronization there is a periodic phase synchronization state characterized by periodic appearance of temporal phase-locking state and that the state leads to local negativeness in one of the vanishing Lyapunov exponents. By taking a statistical measure, we present the evidences of the phenomenon in unidirectionally and mutually coupled chaotic oscillators, respectively. And it is qualitatively discussed that the phenomenon is described by a nonuniform oscillator model in the presence of noise.
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页数：4
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