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Rectifying fluctuations in an optical lattice

P. H. Jones·M. Goonasekera·F. Renzoni
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Abstract

We have realized a Brownian motor by using cold atoms in a dissipative optical lattice as a model system. In our experiment the optical potential is spatially symmetric and the time-symmetry of the system is broken by applying appropriate zero-mean ac forces. We identify a regime of rectification of forces and a regime of rectification of fluctuations, the latter corresponding to the realization of a Brownian motor.

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P. H. Jones, M. Goonasekera, F. Renzoni. 2005-12-21. Rectifying fluctuations in an optical lattice. https://doi.org/10.1103/physrevlett.93.073904

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