Random shortcuts induce phase synchronization in complex Chua systems |
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| Authors: | Wei Du-Qu Luo Xiao-Shu and Qin Ying-Hua |
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| Affiliation: | College of Physics and Electronic Engineering, Guangxi
Normal
University, Guilin 541004, China |
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| Abstract: | This paper studies how phase synchronization in complex networks
depends on random shortcuts, using the piecewise-continuous chaotic
Chua system as the nodes of the networks. It is found that for a
given coupling strength, when the number of random shortcuts is
greater than a threshold the phase synchronization is induced. Phase
synchronization becomes evident and reaches its maximum as the
number of random shortcuts is further increased. These phenomena
imply that random shortcuts can induce and enhance the phase
synchronization in complex Chua systems. Furthermore, the paper
also investigates the effects of the coupling strength and it is
found that stronger coupling makes it easier to obtain the
complete phase synchronization. |
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| Keywords: | phase synchronization random
shortcuts Chua systems |
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