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Decoherence of cold atomic gases in magnetic microtraps

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2003

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Schroll, Christian
Bruder, Christoph

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Physical Review A. 2003, 68, 43618. Available under: doi: 10.1103/PhysRevA.68.043618

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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 Γ that scales like Γ~1/r0 4 with the distance r0 from the trap minimum to the wire.

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530 Physik

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ISO 690SCHROLL, Christian, Wolfgang BELZIG, Christoph BRUDER, 2003. Decoherence of cold atomic gases in magnetic microtraps. In: Physical Review A. 2003, 68, 43618. Available under: doi: 10.1103/PhysRevA.68.043618
BibTex
@article{Schroll2003Decoh-5083,
  year={2003},
  doi={10.1103/PhysRevA.68.043618},
  title={Decoherence of cold atomic gases in magnetic microtraps},
  volume={68},
  journal={Physical Review A},
  author={Schroll, Christian and Belzig, Wolfgang and Bruder, Christoph},
  note={Article Number: 43618}
}
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