White noise flashing Brownian pump

Details White noise flashing Brownian pump White noise flashing Brownian pump

2007-09-06

arxiv.org/abs/0709.0890v1

Phys. Rev. E 77, 031108 (2008)

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

A Brownian pump of particles powered by a stochastic flashing ratchet mechanism is studied. The pumping device is embedded in a finite region and bounded by particle reservoirs. In the steady state, we exactly calculate the spatial density profile, the concentration ratio between both reservoirs and the particle flux. A simple numerical scheme is presented allowing for the consistent evaluation of all such observable quantities.

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