Synchronization of oscillators with long range power law interactions

Abstract

We present analytical calculations and numerical simulations for the synchronization of oscillators interacting via a long range power law interaction on a one dimensional lattice. We have identified the critical value of the power law exponent ${\alpha }_c$ across which a transition from a synchronized to an unsynchronized state takes place for a sufficiently strong but finite coupling strength in the large system limit. We find ${\alpha }_c=3/2$. Frequency entrainment and phase ordering are discussed as a function of $\alpha \ge 1$. The calculations are performed using an expansion about the aligned phase state (spin-wave approximation) and a coarse graining approach. We also generalize the spin-wave results to the {\it d}-dimensional problem.

Final published version

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• Classical XY Model in 1.99 Dimensions
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