Lifetime enhancement of scroll rings by spatiotemporal fluctuations

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RECERCAT Home > Universitat de Barcelona > Ciència dels Materials i Química Física > Articles publicats en revistes (Ciència dels Materials i Química Física) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/18775

dc.contributor	Universitat de Barcelona
dc.contributor.author	Pérez Muñuzuri, Vicente
dc.contributor.author	Sagués i Mestre, Francesc
dc.contributor.author	Sancho, José M.
dc.date	2011-07-07T12:52:23Z
dc.date	2011-07-07T12:52:23Z
dc.date	2000
dc.identifier.citation	1539-3755
dc.identifier.citation	170365
dc.identifier.uri	http://hdl.handle.net/2445/18775
dc.format	6 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	The American Physical Society
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.62.94
dc.relation	Physical Review E, 2000, vol. 62, núm. 1, p. 94-99
dc.relation	http://dx.doi.org/10.1103/PhysRevE.62.94
dc.rights	(c) American Physical Society, 2000
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Dinàmica de fluids
dc.subject	Química física
dc.subject	Fluid dynamics
dc.subject	Physical chemistry
dc.title	Lifetime enhancement of scroll rings by spatiotemporal fluctuations
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	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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