Feedback control of two-headed Brownian motors in flashing ratchet potential

doi:10.1088/1674-1056/19/11/110506

Abstract We presented a detailed investigation on the movement of two-headed Brownian motors in an asymmetric potential under a feedback control. By numerical simulations the direct current is obtained. The current is periodic in the initial length of spring. There is an optimal value of the spring constant. And the dependence of the current on the opposing force is reversed. Then we found that when the change of the temperature and the opposing force have optimal values, the Brownian motors can also obtain the optimal efficiency.

Keywords: Brownian motors ratchet current efficiency

Received: 31 March 2010
Revised: 21 June 2010
Accepted manuscript online:

PACS:	87.14.E-	(Proteins)
	87.16.A-	(Theory, modeling, and simulations)
	87.16.Nn	(Motor proteins (myosin, kinesin dynein))

Cite this article:

Zhao A-Ke(赵阿可), Zhang Hong-Wei(张红卫), and Li Yu-Xiao(李玉晓) Feedback control of two-headed Brownian motors in flashing ratchet potential 2010 Chin. Phys. B 19 110506

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Feedback control of two-headed Brownian motors in flashing ratchet potential

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