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- Title
Directed Motion Induced by Shifting Ratchet.
- Authors
Li, Yuxiao; Wu, Xizhen; Zhuo, Yizhong
- Abstract
The motion of Brownian particles in a spatial asymmetric periodic potential is considered. In the absence of any external macroscopic driving force, when the potential transits stochastically between two configurations which are shifted by a distance relative to each other, directed motion can be induced. The dependence of the average velocity on the transition rate, the strength of thermal noise and the shift distance between the two configurations of potential are analyzed. The efficiency of the system is evaluated.
- Subjects
WIENER processes; PARTICLES (Nuclear physics)
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2000, Vol 14, Issue 24, p2609
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979200002235