The behavior of chemical waves advancing through a disordered excitable medium is investigated in terms
of percolation theory and autowave properties in the framework of the light-sensitive Belousov-Zhabotinsky
reaction. By controlling the number of sites with a given illumination, different percolation thresholds for
propagation are observed, which depend on the relative wave transmittances of the two-state medium considered.
CitationSendiña Nadal, I.; Roncaglia, D.M.; Vives, D.; Pérez-Muñuzuri, V.; Gómez-Gesteira, M.; Pérez-Villar, V.; Echave, J.; Casademunt, Ramírez-Piscina, L.; Sagués, F. "Percolation thresholds in chemical excitable media". Physical Review E, 1998, vol. 58, núm. 2, p.1183-1186. ISSN:1063-651X
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