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Percolation thresholds in chemical excitable media.
Sendiña-Nadal, I.; Roncaglia, D.; Vives, D.; Pérez Muñuzuri, Vicente; Gómez Gesteira, Moncho; Pérez Villar, Vicente; Echave, J.; Casademunt, Jaume; Ramírez de la Piscina Millán, Laureano; Sagués Mestre, Francesc
Universitat Politècnica de Catalunya. Departament de Física Aplicada
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.
Peer Reviewed
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Àrees temàtiques de la UPC::Física::Termodinàmica
Àrees temàtiques de la UPC::Enginyeria química::Química física
Nonequilibrium thermodynamics
Chemistry, Physical and theorical
Chemival waves
Disorder
Excitable media
Belousov-Zhabotinsky reaction
Percolation
Termodinàmica del desequilibri
Fisicoquímica
Article
American Physical Society
         

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