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Generalized synchronization of identical chaotic systems on the route from an independent dynamics to the complete synchrony

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Abstract

The transition from asynchronous hyperchaos to complete synchrony in coupled identical chaotic systems may either occur directly or be mediated by a preliminary stage of generalized synchronization. In the present paper we investigate the underlying mechanisms of realization of the both scenarios. It is shown that a generalized synchronization arises when the manifold of identically synchronous states M is transversally unstable, while the local transversal contraction of phase volume first appears in the areas of phase space separated from M and being visited by the chaotic trajectories. On the other hand, a direct transition from an asynchronous hyperchaos to the complete synchronization occurs, under variation of the controlling parameter, if the transversal stability appears first on the manifold M, and only then it extends upon the neighboring phase volume. The realization of one or another scenario depends upon the choice of the coupling function. This result is valid for both unidirectionally and mutually coupled systems, that is confirmed by theoretical analysis of the discrete models and numerical simulations of the physically realistic flow systems.

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  1. Saratov Branch of Kotel’nikov’s Institute of Radio-Engineering and Electronics of RAS, ul. Zelenaya 38, Saratov, 410019, Russia

    Alexey Yu. Jalnine

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  1. Alexey Yu. Jalnine
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Correspondence to Alexey Yu. Jalnine.

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Jalnine, A.Y. Generalized synchronization of identical chaotic systems on the route from an independent dynamics to the complete synchrony. Regul. Chaot. Dyn. 18, 214–225 (2013). https://doi.org/10.1134/S1560354713030027

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  • DOI: https://doi.org/10.1134/S1560354713030027

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