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Suppression of scroll wave turbulence by noise

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dc.creator Alonso Muñoz, Sergio
dc.creator Sancho, José M.
dc.creator Sagués i Mestre, Francesc
dc.date 2011-07-07T12:51:30Z
dc.date 2011-07-07T12:51:30Z
dc.date 2004
dc.date.accessioned 2024-12-16T10:27:21Z
dc.date.available 2024-12-16T10:27:21Z
dc.identifier 1539-3755
dc.identifier http://hdl.handle.net/2445/18731
dc.identifier 520751
dc.identifier.uri http://fima-docencia.ub.edu:8080/xmlui/handle/123456789/22286
dc.description Rotating scroll waves are dynamical spatiotemporal structures characteristic of three-dimensional active media. It is well known that, under low excitability conditions, scroll waves develop an intrinsically unstable dynamical regime that leads to a highly disorganized pattern of wave propagation. Such a ¿turbulent¿ state bears some resemblance to fibrillation states in cardiac tissue. We show here that this unstable regime can be controlled by using a spatially distributed random forcing superimposed on a control parameter of the system. Our results are obtained from numerical simulations but an explicit analytical argument that rationalizes our observations is also presented.
dc.format 4 p.
dc.format application/pdf
dc.language eng
dc.publisher The American Physical Society
dc.relation Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.70.067201
dc.relation Physical Review E, 2004, vol. 70, p. 067201(1)-067201(4)
dc.relation http://dx.doi.org/10.1103/PhysRevE.64.051109
dc.rights (c) The American Physical Society, 2004
dc.rights info:eu-repo/semantics/openAccess
dc.source Articles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject Química física
dc.subject Física estadística
dc.subject Termodinàmica
dc.subject Sistemes dinàmics diferenciables
dc.subject Physical chemistry
dc.subject Statistical physics
dc.subject Thermodynamics
dc.subject Differentiable dynamical systems
dc.title Suppression of scroll wave turbulence by noise
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/publishedVersion


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