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郑志刚
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期刊论文
Collective Directional Transport in Coupled Nonlinear Oscillators without External Bias
PHYSICAL REVIEW LETTERS, 2001, 86 (11): 2273～2276，-0001，（）：
Directed collective motion in a circular array of unidirectionally coupled oscillators with symmetric potential is obtained numerically in the absence of external bias. This striking feature is interpreted as the effect of the spontaneous breaking of temporal symmetry of the coupling. It is revealed that a proper match of various control parameters is important in generating an optimal coherent global transport. Noise-sustained directed transport is also observed, and the related stochastic resonance in an autonomous system is identified..
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