Flashing motor at high transition rate

Details Flashing motor at high transition rate Flashing motor at high transition rate

2003-10-28

arxiv.org/abs/physics/0310136v3

Chaos, solitons & fractals 34(2007)1265-1271

Physics

Biological Physics

6 pages, 5 figures

Scientific paper

The movement of a Brownian particle in a fluctuating two-state periodic potential is investigated. At high transition rate, we use a perturbation method to obtain the analytical solution of the model. It is found that the net current is a peaked function of thermal noise, barrier height and the fluctuation ratio between the two states. The thermal noise may facilitate the directed motion at a finite intensity. The asymmetry parameter of the potential is sensitive to the direction of the net current.

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