Sympathetic cooling of bosonic and fermionic lithium gases towards quantum degeneracy

Year: 2001

Authors: Schreck F., Ferrari G., Corwin K. L., Cubizolles J., Khaykovich L., Mewes M.O., Salomon C.

Autors Affiliation: Laboratoire Kastler Brossel, Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris CEDEX 05, France

Abstract: Sympathetic cooling of two atomic isotopes is experimentally investigated. Using forced evaporation of a bosonic Li-7 gas in a magnetic trap, a sample of 1.3×10(5) Li-6 fermions has been sympathetically cooled to 9(3) muK, corresponding to 2.2(0.8) times the Fermi temperature. The measured rate constant for two-body inelastic collisions of the Li-7 \\2,2] state at low magnetic field is 1.0(-0.5)(+0.8) x 10(-14) cm(3) s(-1).

Journal/Review: PHYSICAL REVIEW A

Volume: 64 (1)      Pages from: 011402  to: 011402

KeyWords: BEC-Fermi systems; sympathetic cooling; atomic physics; lithium;
DOI: 10.1103/PhysRevA.64.011402

Citations: 123
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