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  • Title: Influence of noise on the synchronization of the stochastic Kuramoto model.
    Author: Bag BC, Petrosyan KG, Hu CK.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2007 Nov; 76(5 Pt 2):056210. PubMed ID: 18233742.
    Abstract:
    We consider the Kuramoto model of globally coupled phase oscillators subject to Ornstein-Uhlenbeck and non-Gaussian colored noise and investigate the influence of noise on the order parameter of the synchronization process. We use numerical methods to study the dependence of the threshold as well as the maximum degree of synchronization on the correlation time and the strength of the noise, and find that the threshold of synchronization strongly depends on the nature of the noise. It is found to be lower for both the Ornstein-Uhlenbeck and non-Gaussian processes compared to the case of white noise. A finite correlation time also favors the achievement of the full synchronization of the system, in contract to the white noise process, which does not allow that. Finally, we discuss possible applications of the stochastic Kuramoto model to oscillations taking place in biochemical systems.
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