Observability of lag synchronization of coupled chaotic oscillators

Saeed Taherion, Ying-Cheng Lai

Research output: Contribution to journalArticlepeer-review

195 Citations (Scopus)


Lag synchronization is a recently discovered theoretical phenomenon where the dynamical variables of two coupled, nonidentical chaotic oscillators are synchronized with a time delay relative to each other. We investigate experimentally and numerically to what extent lag synchronization can be observed in physical systems where noise is inevitable. Our measurements and numerical computation suggest that lag synchronization is typically destroyed when the noise level is comparable to the amount of average system mismatch. At small noise levels, lag synchronization occurs in an intermittent fashion. [S1063-651X(99)50506-0].

Original languageEnglish
Pages (from-to)R6247-R6250
Number of pages4
JournalPhysical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Issue number6
Publication statusPublished - Jun 1999


  • on-off intermittency


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