Volume 101, Number 6, March 2013
|Number of page(s)||6|
|Published online||29 March 2013|
Time-delay–induced synchronization in complex networks: Exploring the dynamical mechanism
1 Department of Physics, Southeast University - Nanjing 210096, China
2 School of Physics and Electronic Engineering, Nanjing Xiaozhuang University - 210017 Nanjing, China
3 Max Planck Institute for the Physics of Complex Systems - Nöthnitzer Stra βe 38, D-01187 Dresden, Germany, EU
4 Research Center Jülich, Institute for Neuroscience and Medicine INM-2 - D-52425 Jülich, Germany, EU
Received: 7 January 2013
Accepted: 26 February 2013
We show that delayed coupling could induce or enhance stable chaotic synchronization in complex networks, where no or weak synchrony would exist for the usual instantaneous coupling. The mechanism behind this phenomenon reveals that the phase structure of the coupled chaotic oscillator plays the main role. Numerical results for Rössler and Lorenz oscillators as network nodes confirm the generality of this phenomenon. Together with our previous findings, we highlight the importance of taking the dynamical structure into account when studying or designing large-scale networks for stable synchronization.
PACS: 05.45.Xt – Synchronization; coupled oscillators / 89.75.Hc – Networks and genealogical trees
© EPLA, 2013
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