Control of atomic currents using a quantum stirring device

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Authors
Hiller, Moritz
Kottos, Tsampikos
Cohen, Doron
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Abstract
Description
We propose a BEC stirring device which can be regarded as the incorporation of a quantum pump into a closed circuit: it produces a DC circulating current in response to a cyclic adiabatic change of two control parameters of an optical trap. We demonstrate the feasibility of this concept and point out that such device can be utilized in order to probe the interatomic interactions.
Comment: 5 pages, 4 figures, uses epl2.cls, revised version
Keywords
Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Other Condensed Matter, Quantum Physics
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