Four-phase patterns in forced oscillatory systems

A. L. Lin, A. Hagberg, A. Ardelea, M. Bertram, H. L. Swinney, E. Meron

Research output: Contribution to journalArticlepeer-review

91 Scopus citations

Abstract

Pattern formation in self-oscillating systems was examined as a function of an external periodic perturbation. Two reaction-diffusion models - the FitzHugh-Nagumo and Brusselator - and an amplitude equation were also examined numerically to test the analytical predictions. The subharmonic resonant case - where the system locks at one-forth driving frequency - was analyzed, and the formation of four-phase spiral patterns was observed at low forcing amplitudes.

Original languageEnglish
Pages (from-to)3790-3798
Number of pages9
JournalPhysical Review E
Volume62
Issue number3 B
DOIs
StatePublished - 1 Sep 2000

ASJC Scopus subject areas

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

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