Asymmetric bound states of spiral pairs in excitable media

Christian Zemlin, Karthik Mukund, Marcel Wellner, Roman Zaritsky, Arkady Pertsov

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


We present a stable regime of asymmetric bound states for spiral pairs in a generic numerical model of a homogeneous excitable medium. In this regime, one spiral tip (slave) rotates around the other (master). Master-slave dynamics occur for both same-chirality and opposite-chirality spiral pairs in a range of parameters and initial conditions. We study the dependency of master-slave characteristics on the medium's excitation threshold and present a phenomenological model that accounts for the qualitative properties of master-slave dynamics.

Original languageEnglish
Article number098302
JournalPhysical Review Letters
Issue number9
StatePublished - Aug 26 2005


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