Explosive synchronization coexists with classical synchronization in the Kuramoto model

Michael M. Danziger, Olga I. Moskalenko, Semen A. Kurkin, Xiyun Zhang, Shlomo Havlin, Stefano Boccaletti

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Explosive synchronization has recently been reported in a system of adaptively coupled Kuramoto oscillators, without any conditions on the frequency or degree of the nodes. Here, we find that, in fact, the explosive phase coexists with the standard phase of the Kuramoto oscillators. We determine this by extending the mean-field theory of adaptively coupled oscillators with full coupling to the case with partial coupling of a fraction f. This analysis shows that a metastable region exists for all finite values of f > 0, and therefore explosive synchronization is expected for any perturbation of adaptively coupling added to the standard Kuramoto model. We verify this theory with GPU-accelerated simulations on very large networks (N ~ 106) and find that, in fact, an explosive transition with hysteresis is observed for all finite couplings. By demonstrating that explosive transitions coexist with standard transitions in the limit of f → 0, we show that this behavior is far more likely to occur naturally than was previously believed.

Original languageEnglish
Article number065307
Pages (from-to)065307
Issue number6
StatePublished - 1 Jun 2016

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