Synchronization induced by disorder of phase directions

Yingjie Xia, Institute of Service Engineering, Hangzhou Normal University, Hangzhou, 310036, P. R. China
Yinzuo Zhou, Corresponding author, Institute for Information Economy, Hangzhou Normal University, Hangzhou, 310036, P. R. China

We study the influence of randomly distributed phase directions of external force in an array of coupled pendula, instead of studying the influence of continuous phase. We find that with the increase of the absolute value of the phase, the chaotic behaviors of the coupled arrays may be controlled and different synchronized patterns can be induced. These results demonstrate that by introducing the randomness of the phase directions, rather than the continuous value of the phase, it can lead to a synchronization in nonlinear systems. This finding may provide a new insight for understanding the mechanism of disorder induced synchronization.

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