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Zero-lag long-range synchronization via dynamical relaying

AutorFischer, Ingo ; Vicente, Raúl; Buldú, Javier M.; Peil, Michael; Mirasso, Claudio R. ; Torrent, M. C.; García-Ojalvo, Jordi
Palabras claveZero-Lag Synchronization
Coupled oscillators
Synchronized dynamical states
Neuronal model
Dynamical relaying
Fecha de publicación24-ago-2006
EditorAmerican Physical Society
CitaciónPhysical Review Letters 97, 123902 (2006)
ResumenWe show that isochronous synchronization between two delay-coupled oscillators can be achieved by relaying the dynamics via a third mediating element, which surprisingly lags behind the synchronized outer elements. The zero-lag synchronization thus obtained is robust over a considerable parameter range. We substantiate our claims with experimental and numerical evidence of such synchronization solutions in a chain of three coupled semiconductor lasers with long inter-element coupling delays. The generality of the mechanism is validated in a neuronal model with the same coupling architecture. Thus, our results show that zero-lag synchronized chaotic dynamical states can occur over long distances through relaying, without restriction by the amount of delay.
Descripción4 pages.-- PACS numbers: 42.65.Sf, 05.45.Xt, 42.55.Px.-- ArXiv pre-print: http://arxiv.org/abs/nlin/0605036.-- Final full-text version of the paper available at: http://dx.doi.org/10.1103/PhysRevLett.97.123902.
URIhttp://hdl.handle.net/10261/6071
DOI10.1103/PhysRevLett.97.123902
ISSN0031-9007
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