Core instability and spatiotemporal intermittency of spiral waves in oscillatory media

Igor Aranson, Lorenz Kramer, Andreas Weber

Research output: Contribution to journalArticle

56 Scopus citations

Abstract

We show that in a parameter range which is important in particular for optical instabilities spiral waves in the complex (generalized) Ginzburg-Landau equation are unstable with respect to a core instability which leads to spontaneous acceleration of the spiral. Depending on the parameters the system settles down in at least four qualitatively different spatiotemporally chaotic states.

Original languageEnglish (US)
Pages (from-to)2316-2319
Number of pages4
JournalPhysical review letters
Volume72
Issue number15
DOIs
StatePublished - Jan 1 1994

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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