Noise-induced front motion: Signature of a global bifurcation

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dc.contributor.authorHizanidis, Johanne
dc.contributor.authorBalanov, A
dc.contributor.authorAmann, Andreas
dc.contributor.authorScholl, E
dc.date.accessioned2017-09-08T09:15:48Z
dc.date.available2017-09-08T09:15:48Z
dc.date.issued2006
dc.description.abstractWe show that front motion can be induced by noise in a spatially extended excitable system with a global constraint. Our model system is a semiconductor superlattice exhibiting complex dynamics of electron accumulation and depletion fronts. The presence of noise induces a global change in the dynamics of the system forcing stationary fronts to move through the entire device. We demonstrate the effect of coherence resonance in our model; i.e., there is an optimal level of noise at which the regularity of front motion is enhanced. Physical insight is provided by relating the space-time dynamics of the fronts with a phase-space analysis.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid244104
dc.identifier.citationHizanidis, J., Balanov, A., Amann, A. and Schöll, E. (2006) 'Noise-induced front motion: Signature of a global bifurcation', Physical Review Letters, 96(24), 244104 (4pp). doi: 10.1103/PhysRevLett.96.244104en
dc.identifier.doi10.1103/PhysRevLett.96.244104
dc.identifier.issn0031-9007
dc.identifier.issued24
dc.identifier.journaltitlePhysical Review Lettersen
dc.identifier.urihttps://hdl.handle.net/10468/4647
dc.identifier.volume96
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.96.244104
dc.rights© 2006, American Physical Societyen
dc.subjectSemiconductor superlatticesen
dc.subjectStochastic resonanceen
dc.subjectOscillationsen
dc.subjectTransporten
dc.subjectDomainsen
dc.subjectSystemen
dc.subjectgaAsen
dc.titleNoise-induced front motion: Signature of a global bifurcationen
dc.typeArticle (peer-reviewed)en
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