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Effect of common noise on phase synchronization in coupled chaotic oscillators
Kwangho Park1, Ying-Cheng Lai, Satish Krishnamoorthy
1Department of Electrical Engineering, Arizona State University, Tempe, Arizona 85287, USA.
Abstract:
We report a general phenomenon concerning the effect of noise on phase synchronization in coupled chaotic oscillators: the average phase-synchronization time exhibits a nonmonotonic behavior with the noise amplitude. In particular, we find that the time exhibits a local minimum for relatively small noise amplitude but a local maximum for stronger noise. We provide numerical results, experimental evidence from coupled chaotic circuits, and a heuristic argument to establish the generality of this phenomenon.
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