Coherence resonance near the Hopf bifurcation in coupled chaotic oscillators

Meng Zhan, Guo Wei Wei, Choy Heng Lai, Ying-Cheng Lai, Zonghua Liu

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

We uncover a coherence resonance near the Hopf bifurcation from chaos in coupled chaotic oscillators. At the bifurcation, a nearly periodic rotating wave becomes stable as the state of synchronous chaos is destabilized. We find that noise can induce the bifurcation and, more strikingly, it can enhance the temporal regularity of the wave pattern in the coupled system. This resonant phenomenon is expected to be robust and physically observable.

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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