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arxiv: patt-sol/9401002 · v1 · submitted 1994-01-05 · patt-sol · nlin.PS

From Labyrinthine Patterns to Spiral Turbulence

Aric Hagberg , Ehud Meron (Arizona Center for Mathematical Sciences , Program in Applied Mathematics , University of Arizona) This is my paper
classification patt-sol nlin.PS
keywords spiralfrontlabyrinthinemechanismnucleationpatternsturbulencevortex
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A new mechanism for spiral vortex nucleation in nongradient reaction diffusion systems is proposed. It involves two key ingredients: An Ising-Bloch type front bifurcation and an instability of a planar front to transverse perturbations. Vortex nucleation by this mechanism plays an important role in inducing a transition from labyrinthine patterns to spiral turbulence. PACS numbers: 05.45.+b, 82.20.Mj

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