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Title: Resonance effect of direction-phase clusters in a scale-free network
Authors: Zhou, Y.
Zhou, J.
Wang, X.
Guan, S. 
Lai, C.H. 
Liu, Z.
Issue Date: 2010
Citation: Zhou, Y., Zhou, J., Wang, X., Guan, S., Lai, C.H., Liu, Z. (2010). Resonance effect of direction-phase clusters in a scale-free network. EPL 90 (3) : -. ScholarBank@NUS Repository.
Abstract: It is known that for chaotic flows, a weak coupling does not always make the coupled systems approach synchronization but sometimes makes them become more complicated (Phys. Rev. E, 67 (2003) 045203(R)). We here report that a similar situation also occurs in the coupled chaotic maps, where a weak coupling will make the number of direction-phase clusters Nc increase. We find a double-resonance effect on the coupling strength ε, where the first resonance comes from the coupling-induced periodic behaviors and the second one is due to the disappearance of the disorder phase. The mechanism of the second resonance is revealed through the out-of-phase links. Moreover, we show that the critical coupling εc of the maximum Nc will increase rapidly with the bifurcation parameter μ but slowly with the range of the distribution of non-identical oscillators. Copyright © EPLA, 2010.
Source Title: EPL
ISSN: 02955075
DOI: 10.1209/0295-5075/90/30005
Appears in Collections:Staff Publications

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