Flux enhancement model for cold cesium fine-structure changing collisions

Year: 2000

Authors: Fioretti A., Arimondo E., Crubellier A.

Autors Affiliation: Univ Pisa, Dipartimento Fis, Ist Nazl Fis Mat, I-56127 Pisa, Italy; CNRS II, Aime Cotton Lab, F-91405 Orsay, France.

Abstract: The measurements of fine-structure changing collisions in a cesium magneto-optical trap, rp ported in a previous work [A. Fioretti et al., Phys. Rev. A 55, R3999 (1997)], are reanalyzed within a model based on the flux enhancement effect, which takes place in cold atomic collisions. In the present analysis, we consider the cooperative effect of the long-range and the shorter-range excitation by the strong trap laser. We evidence also the important role of the hyperfine structure of the Cs-2 molecular levels asymptotically connected to the 6S(1/2) + 6S(1/2) ground-state and 6S(1/2) + 6P(3/2) excited-state dissociation limits.

Journal/Review: EUROPEAN PHYSICAL JOURNAL D

Volume: 12 (2)      Pages from: 219  to: 225

KeyWords: Ultracold Collisions; Light Fields; Atoms; Losses; Trap; Molecules; Forces; Time
DOI: 10.1007/s100530070016

ImpactFactor: 1.421
Citations: 3
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