Volume 84, Number 1, October 2008
|Number of page(s)||5|
|Published online||16 September 2008|
Aging transition and disorder-induced coherence in locally coupled oscillators
Department of Mathematical Sciences, Graduate School of Engineering, Osaka Prefecture University Sakai 599-8531, Japan
Accepted: 13 August 2008
Aging transition (AT) is studied for a ring of locally coupled Suart-Landau oscillators such that a fraction of them chosen randomly is inactivated. An AT is a transition to a steady state observed when the ratio of inactive oscillators p exceeds a critical value pc. It is numerically shown that such a transition disappears for as , where N is the system size and the exponent γ depends on parameters. Moreover, it is found that the phase coherence of the system can improve by aging-induced disorder.
PACS: 05.45.Xt – Synchronization; coupled oscillators / 87.10.-e – General theory and mathematical aspects / 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2008
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