Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2010-03-07
Physical Review E, vol. 82, 016205 (2010)
Physics
Condensed Matter
Statistical Mechanics
Final published version
Scientific paper
10.1103/PhysRevE.82.016205
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 $\alpha \geq 1$. 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.
Chowdhury Debanjan
Cross M. C.
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