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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/12796

Brownian motion of spiral waves driven by spatiotemporal structured noise

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Spiral chemical waves subjected to a spatiotemporal random excitability are experimentally and numerically investigated in relation to the light-sensitive Belousov-Zhabotinsky reaction. Brownian motion is identified and characterized by an effective diffusion coefficient which shows a rather complex dependence on the time and length scales of the noise relative to those of the spiral. A kinematically based model is proposed whose results are in good qualitative agreement with experiments and numerics.

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SENDIÑA NADAL, Irene, et al. Brownian motion of spiral waves driven by spatiotemporal structured noise. Physical Review Letters. 2000. Vol. 84, num. 12, pags. 2734-2737. ISSN 0031-9007. [consulted: 27 of May of 2026]. Available at: https://hdl.handle.net/2445/12796

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