Phase Diffusion in Localized Spatiotemporal Amplitude Chaos

Glen D. Granzow, Hermann Riecke

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

We present numerical simulations of coupled Ginzburg-Landau equations describing parametrically excited waves which reveal persistent dynamics due to the occurrence of phase slips in sequential pairs, with the second phase slip quickly following and negating the first. Of particular interest are solutions where these double phase slips occur irregularly in space and time within a spatially localized region. An effective phase diffusion equation utilizing the long-term phase conservation of the solution explains the localization of this new form of amplitude chaos.

Original languageEnglish (US)
Pages (from-to)2451-2454
Number of pages4
JournalPhysical review letters
Volume77
Issue number12
DOIs
StatePublished - 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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