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Lifetime enhancement of scroll rings by spatiotemporal fluctuations

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The dynamics of three-dimensional scroll rings with spatiotemporal random excitability is investigated numerically using the FitzHugh-Nagumo model. Depending on the correlation time and length scales of the fluctuations, the lifetime of the ring filament is enlarged and a resonance effect between the time scale of the scroll ring and the time correlation of the noise is observed. Numerical results are interpreted in terms of a simplified stochastic model derived from the kinematical equations for three-dimensional excitable waves.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Lifetime enhancement of scroll rings by spatiotemporal fluctuations