Bloch-front turbulence in a periodically forced Belousov-Zhabotinsky reaction

Bradley Marts; Aric Hagberg; Ehud Meron; Anna L. Lin

doi:10.1103/PhysRevLett.93.108305

Bloch-front turbulence in a periodically forced Belousov-Zhabotinsky reaction

Bradley Marts, Aric Hagberg, Ehud Meron, Anna L. Lin

Department of Physics

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36 Scopus citations

Abstract

A mechanism for creating spatiotemporal disorder, which was demonstrated in a periodically forced oscillatory Belousov-Zhabotinsky reaction, was investigated. The mechanism consisted of the creation of spiral-vortex pairs through a transverse instability of fronts in the vicinity of a nonequilibrium Ising-Bloch bifurcation. The amplitude equation model and the forced complex Ginzburg-landau equation was used to reproduce the experimental observations with numerical solutions. Experiments on a periodically forced Belousov-Zhabotinsky chemical reaction show front breakup into a state of spatiotemporal disorder involving continual events of spiral-vortex nucleation and destruction.

Original language	English
Article number	108305
Pages (from-to)	108305-1-108305-4
Journal	Physical Review Letters
Volume	93
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.93.108305
State	Published - 3 Sep 2004

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Bloch-front turbulence in a periodically forced Belousov-Zhabotinsky reaction",

abstract = "A mechanism for creating spatiotemporal disorder, which was demonstrated in a periodically forced oscillatory Belousov-Zhabotinsky reaction, was investigated. The mechanism consisted of the creation of spiral-vortex pairs through a transverse instability of fronts in the vicinity of a nonequilibrium Ising-Bloch bifurcation. The amplitude equation model and the forced complex Ginzburg-landau equation was used to reproduce the experimental observations with numerical solutions. Experiments on a periodically forced Belousov-Zhabotinsky chemical reaction show front breakup into a state of spatiotemporal disorder involving continual events of spiral-vortex nucleation and destruction.",

author = "Bradley Marts and Aric Hagberg and Ehud Meron and Lin, {Anna L.}",

note = "Funding Information: This work was supported by the U.S.-Israel Binational Science Foundation (Grant No. 9800129), the Department of Energy under Contract No. W-7405-ENG-36, and the DOE Office of Science Advanced Computing Research program in Applied Mathematical Sciences.",

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Bloch-front turbulence in a periodically forced Belousov-Zhabotinsky reaction

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