Summary
The parameters of the Field, Noyes and Körös model for the Belousov-Zhabotinskii reaction were chosen in such a way that the given system is excitable. It is shown by simulation that several pulses on the ring fiber, contrary to experience with known excitable media, may arrange themselves in a nonsymmetrical manner while the equilibrium distances are stable. The condition for such behavior is the non-monotonic dependence of the propagation velocity, v, on the time, T, elapsed since the previous excitation at that point.
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Karfunkel, H.R., Kahlert, C. Excitable chemical reaction systems. J. Math. Biology 4, 183–185 (1977). https://doi.org/10.1007/BF00275983
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DOI: https://doi.org/10.1007/BF00275983