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Published on: August 5, 2013
Traveling waves and compactons in phase oscillator lattices
Karsten Ahnert1, Arkady Pikovsky
1Department of Physics, Potsdam University, Potsdam 14476, Germany.
Abstract:
We study waves in a chain of dispersively coupled phase oscillators. Two approaches--a quasicontinuous approximation and an iterative numerical solution of the lattice equation--allow us to characterize different types of traveling waves: compactons, kovatons, solitary waves with exponential tails as well as a novel type of semicompact waves that are compact from one side. Stability of these waves is studied using numerical simulations of the initial value problem.
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