Precise numerics versus theory for correlation ratchets.
作者： Roland Bartussek , Peter Reimann , Peter Hänggi
DOI: 10.1103/PHYSREVLETT.76.1166
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摘要: Fluctuation-induced transport in a correlation ratchet driven by both additive Gaussian white and Ornstein-Uhlenbeck (colored) noise is studied numerically interpreted against theoretical predictions. The current, as well the current-load curve, exhibits different behavior depending on scaling of colored strength. This archetypal capable changing direction current (passing through zero at particular value color) if only shape potential chosen appropriately.
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