Stokes' drift: A rocking ratchet

被引:11
作者
Bena, I [1 ]
Copelli, M [1 ]
Van den Broeck, C [1 ]
机构
[1] Limburgs Univ Ctr, B-3590 Diepenbeek, Belgium
关键词
Stokes' drift; Brownian motors; colored noise;
D O I
10.1023/A:1026466206162
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We derive the explicit analytic expression for the Stokes' drift in one dimension in the presence of a dichotomic Markov forcing. For small amplitudes of the forcing, the drift is enhanced, but the enhancement is reduced with increasing frequency of the forcing. On the other hand, a reduction of the drift or even a flux reversal can be induced at larger amplitudes, while the flux is now found to be an increasing function of the perturbation frequency.
引用
收藏
页码:415 / 424
页数:10
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