Etude expérimentale statistique des structures cibles de la réaction de Belousov-Zhabotinsky en régime oscillant

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Abstract
Target patterns spontaneously appear in a thin layer of a Belousov-Zhabotinsky system. We report the results of a detailed statistical experimental study of these patterns, occurring when the reaction oscillates. Even from a qualitative point of view, the available theoretical descriptions are unable to satisfactorily account for our experimental data. Thus, the way in which symmetry-breaking takes place still remains a matter of guess. Increase of our knowledge of these phenomena will only be reached through further theoretical as well as experimental work.

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