Noise, synchronization and coherence in chaotic oscillators

Jürgen Kurths*, Changsong ZHOU

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

2 Citations (Scopus)


We study effects of noise in two types of chaotic oscillators. The first one, represented by the Rössler system, has very coherent phase dynamics while the amplitude fluctuates strongly. The other type, homoclinic chaos characterized by chaotic spiking behavior, has regular orbits in the phase space while the interspike time intervals vary enormously. We demonstrate that in both classes of systems, noise may play a constructive role to enhance synchronization and generate the most coherent behavior in the collective oscillation of coupled phase coherent oscillators or in the spike sequences of homoclinic chaos.

Original languageEnglish
Pages (from-to)4023-4044
Number of pages22
JournalInternational Journal of Modern Physics B
Issue number22-24 I
Publication statusPublished - 30 Sept 2003

Scopus Subject Areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics


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