Rocking feedback controlled ratchets
arXiv:0902.3941 · doi:10.1103/PhysRevE.80.031128
Abstract
We investigate the different regimes that emerge when a periodic driving force, the rocking force, acts on a collective feedback flashing ratchet. The interplay of the rocking and the feedback control gives a rich dynamics with different regimes presenting several unexpected novel features. In particular, we show that for both the one-particle ratchet and the collective version of the ratchet an appropriate rocking increases the flux. This mechanism gives the maximum flux that has been achieved in a ratchet device without an a priori bias.
LaTeX, 8 pages, 8 figures. To appear in Phys. Rev. E
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Cited by in corpus (9)
- Nonequilibrium Thermodynamics of Feedback Control
- Information processing and the second law of thermodynamics: an inclusive, Hamiltonian approach
- Delay-induced transport in a rocking ratchet under feedback control
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