Decoherence of cold atomic gases in magnetic microtraps

Schroll, C. and Belzig, W. and Bruder, C.. (2003) Decoherence of cold atomic gases in magnetic microtraps. Physical review A, General physics, Vol. 68, H. 4, Part B. 043618.

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Official URL: http://edoc.unibas.ch/dok/A5839232

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We derive a model to describe decoherence of atomic clouds in atom-chip traps taking the excited states of the trapping potential into account. We use this model to investigate decoherence for a single trapping well and for a pair of trapping wells that form the two arms of an atom interferometer. Including the discrete spectrum of the trapping potential gives rise to a decoherence mechanism with a decoherence rate Gamma that scales like Gamma similar to 1/r(0)(4) with the distance r(0) from the trap minimum to the wire.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Sep 2012 07:18
Deposited On:14 Sep 2012 06:44

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