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2002

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/18913

Unidirectional mechanism for reentrant activity generation in excitable media

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http://dx.doi.org/10.1103/PhysRevE.66.016215

Abstract

A closed excitable pathway with one point-to-point connection is used to generate a rotating wave both in experiments using the photosensitive Belousov-Zhabotinsky system and numerically with an Oregonator reaction-diffusion model. By varying the excitability and geometrical properties of the medium, propagation can be made unidirectional or bidirectional, giving rise, respectively, to the existence or not of sustained reentrant activity in a closed excitable track.

Subject

Física estadística, Termodinàmica, Química física, Dinàmica de fluids

Subject (English)

Statistical physics, Thermodynamics, Physical chemistry, Fluid dynamics

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Articles publicats en revistes (Ciència dels Materials i Química Física)

Citation

SENDIÑA NADAL, Irene, et al. Unidirectional mechanism for reentrant activity generation in excitable media. Physical Review E. 2002. Vol. 66, num. 1, pags. 016215-1-016215-5. ISSN 1063-651X. [consulted: 18 of June of 2026]. Available at: https://hdl.handle.net/2445/18913

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