Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2010-12-28
Journal of Chemical Physics 131(2009)054111
Physics
Condensed Matter
Statistical Mechanics
6 pages, 7 figures
Scientific paper
Directed transport of overdamped Brownian particles in an asymmetrically periodic tube is investigated in the presence of the tube wall vibration. From the Brownian dynamics simulations we can find that the perpendicular wall vibration can induce a net current in the longitudinal direction when the tube is asymmetric. The direction of the current at low frequency is opposite to that at high frequency. One can change the direction of the current by suitably tailoring the frequency of the wall vibration.
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