Vortex-pair dynamics in anisotropic bistable media: A kinematic approach

Aric Hagberg, Ehud Meron

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


In isotropic bistable media, a vortex pair typically evolves into rotating spiral waves. In an anisotropic system, instead of spiral waves, the vortices can form wave fragments that propagate with a constant speed in a given direction determined by the system’s anisotropy. The fragments may propagate invariably, shrink, or expand. We develop a kinematic approach for the study of vortex-pair dynamics in anisotropic bistable media and use it to capture the wave fragment dynamics.

Original languageEnglish
JournalPhysical Review Letters
Issue number22
StatePublished - 1 Jan 2003


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