Control of atomic currents using a quantum stirring device

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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.
5 pages, 4 figures, uses epl2.cls, revised version

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Mesoscale and Nanoscale Physics, Other Condensed Matter, Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/162567

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.4304
 http://arxiv.org/abs/0708.4304
 Europhysics Letters 82, 40006 (2008)
 doi:10.1209/0295-5075/82/40006

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arXiv