Adiabatic small noise fluctuations around anticipated synchronization: A perspective from scalar master–slave dynamics

Adrián A. Budini and Manuel O. Cáceres

Physica A: Statistical Mechanics and its Applications, 2008, vol. 387, issue 18, 4483-4496

Abstract: In this paper we extract and highlight some essential ingredients and properties that characterize the phenomenon of anticipated synchronization when external additive noise sources perturb the master and slave dynamics. Our results rely on a minimal scalar setup able to exhibit the more fundamental aspects of this phenomenon, where the fluctuations around the average dynamics are worked out in a small noise and adiabatic approximations allowing to describe their dynamics through linear delay Langevin equations. In this context, we find necessary conditions that guarantee anticipated synchronization in the mean value. Fluctuations around this condition are studied through the stationary correlation of the delayed difference between the master and slave dynamics. It is shown that external noise properties can be inferred by measuring this object. Conditions for minimizing the dynamical fluctuations around the anticipated synchronization in mean value are found. A detailed analysis of the dependence on the characteristic parameters is presented.

Keywords: Noisy systems; Synchronization (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:387:y:2008:i:18:p:4483-4496

DOI: 10.1016/j.physa.2008.04.011

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