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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2003

Interaction induced phase fluctuations in a guided atom laser

Résumé

In this paper, we determine the magnitude of phase fluctuations caused by atom-atom interaction in a one-dimensional beam of bosonic atoms. We imagine that the beam is created with a large coherence length, and that interactions only act in a specific section of the beam, where the atomic density is high enough to validate a Bogoliubov treatment. The magnitude and coherence length of the ensuing phase fluctuations in the beam after the interaction zone are determined.

Dates et versions

hal-00537656 , version 1 (18-11-2010)

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Isabelle Bouchoule, Klaus Moelmer. Interaction induced phase fluctuations in a guided atom laser. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2003, 67, pp.011603. ⟨hal-00537656⟩
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