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Open Access item Zero-lag long-range synchronization via dynamical relaying

Authors:Fischer, Ingo
Vicente, Raúl
Buldú, Javier M.
Peil, Michael
Mirasso, Claudio R.
Torrent, M. C.
García-Ojalvo, Jordi
Keywords:Zero-Lag Synchronization, Coupled oscillators, Synchronized dynamical states, Neuronal model, Dynamical relaying
Issue Date:24-Aug-2006
Publisher:American Physical Society
Citation:Physical Review Letters 97, 123902 (2006)
Abstract:We 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.
Description:4 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.
URI:http://hdl.handle.net/10261/6071
ISSN:0031-9007
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Appears in Collections:(IFISC) Artículos

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