Phys. Rev. Lett. 95, 084101 (2005) [4 pages]Quasiregular Concentric Waves in Heterogeneous Lattices of Coupled OscillatorsReceived 2 May 2005; published 19 August 2005 We study the pattern formation in a lattice of locally coupled phase oscillators with quenched disorder. In the synchronized regime quasiregular concentric waves can arise which are induced by the disorder of the system. Maximal regularity is found at the edge of the synchronization regime. The emergence of the concentric waves is related to the symmetry breaking of the interaction function. An explanation of the numerically observed phenomena is given in a one-dimensional chain of coupled phase oscillators. Scaling properties, describing the target patterns are obtained. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.084101
DOI:
10.1103/PhysRevLett.95.084101
PACS:
05.45.Xt, 89.75.Kd
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