Phase synchronization on scale-free and random networks in the presence of noise
arXiv:0804.2383 · doi:10.1088/1742-5468/2008/10/P10020
Abstract
In this work we investigate the stability of synchronized states for the Kuramoto model on scale-free and random networks in the presence of white noise forcing. We show that for a fixed coupling constant, the robustness of the globally synchronized state against the noise is dependent on the noise intensity on both kinds of networks. At low noise intensities the random networks are more robust against losing the coherency but upon increasing the noise, at a specific noise strength the synchronization among the population vanishes suddenly. In contrast, on scale-free networks the global synchronization disappears continuously at a much larger critical noise intensity respect to the random networks.
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- Collective oscillations of excitable elements: order parameters, bistability and the role of stochasticity
- Two network Kuramoto-Sakaguchi model under tempered stable Lévy noise