Noise-induced front motion: Signature of a global bifurcation

Show simple item record Hizanidis, Johanne Balanov, A Amann, Andreas Scholl, E 2017-09-08T09:15:48Z 2017-09-08T09:15:48Z 2006
dc.identifier.citation Hizanidis, 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.96.244104 en
dc.identifier.volume 96
dc.identifier.issued 24
dc.identifier.issn 0031-9007
dc.identifier.doi 10.1103/PhysRevLett.96.244104
dc.description.abstract We 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.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society en
dc.rights © 2006, American Physical Society en
dc.subject Semiconductor superlattices en
dc.subject Stochastic resonance en
dc.subject Oscillations en
dc.subject Transport en
dc.subject Domains en
dc.subject System en
dc.subject gaAs en
dc.title Noise-induced front motion: Signature of a global bifurcation en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Andreas Amann, Tyndall National Institute, University College Cork, Cork, Ireland. +353-21-490-3000. Email: en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000238487900028
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review Letters en
dc.internal.IRISemailaddress en
dc.identifier.articleid 244104

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