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Noise-assisted classical adiabatic pumping in a symmetric periodic potential

Published inPhysical review. E, Statistical, nonlinear, and soft matter physics, vol. 66, no. 2, p. 021111.1-021111.6
Publication date2002
Abstract

We consider a classical overdamped Brownian particle moving in a symmetric periodic potential. We show that a net particle flow can be produced by adiabatically changing two external periodic potentials with a spatial and a temporal phase difference. The classical pumped current is found to be independent of the friction and to vanish both in the limit of low and high temperature. Below a critical temperature, adiabatic pumping appears to be more efficient than transport due to a constant external force.

Keywords
  • Statistical Mechanics
  • Condensed matter
Citation (ISO format)
USMANI, O., LUTZ, E., BUTTIKER, Markus. Noise-assisted classical adiabatic pumping in a symmetric periodic potential. In: Physical review. E, Statistical, nonlinear, and soft matter physics, 2002, vol. 66, n° 2, p. 021111.1–021111.6. doi: 10.1103/PhysRevE.66.021111
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ISSN of the journal1539-3755
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