Strong evaporative cooling of a trapped cesium gas
Optics Express, Vol. 2, Issue 8, pp. 323-329 (1998)
http://dx.doi.org/10.1364/OE.2.000323
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Abstract
Using forced radio-frequency evaporation, we have cooled cesium atoms prepared in the sublevel F = -mF = 3 and confined in a magnetic trap. At the end of the evaporation ramp, the sample contains ~ 7000 atoms at 80 nK, corresponding to a phase space density 3 × 10-2. A molecular dynamics approach, including the effect of gravity, gives a good account for the experimental data, assuming a scattering length larger than 300 Å.
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OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.2070) Atomic and molecular physics : Effects of collisions
(020.7010) Atomic and molecular physics : Laser trapping
ToC Category:
Focus Issue: Collective phenomena in trapped atoms and ions
History
Original Manuscript: January 21, 1998
Published: April 13, 1998
Citation
D. Guery-Odelin, J. Soeding, P. Desbiolles, and Jean Dalibard, "Strong evaporative cooling of a trapped cesium gas," Opt. Express 2, 323-329 (1998)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-2-8-323
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