Spatiotemporal on-off intermittency by random driving

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Abstract
Spatiotemporal on-off intermittency by random driving in spatially extended systems modeled by coupled map lattices is discussed. System size and coupling strength influence the onset of intermittency largely. At the onset, the temporal distribution of the laminar phase of one site still exhibits a power law with exponent -3/2 like that in a single map, while the spatial distribution displays a -1 power law with an exponential tail at large size for strong couplings. © 1996 The American Physical Society.