Phys. Rev. A 64, 011402(R) (2001) [4 pages]Sympathetic cooling of bosonic and fermionic lithium gases towards quantum degeneracy
Sympathetic cooling of two atomic isotopes is experimentally investigated. Using forced evaporation of a bosonic 7Li gas in a magnetic trap, a sample of 1.3×105 6Li fermions has been sympathetically cooled to 9(3) μK, corresponding to 2.2(0.8) times the Fermi temperature. The measured rate constant for two-body inelastic collisions of the 7Li |2,2〉 state at low magnetic field is 1.0-0.5+0.8×10-14 cm3s-1. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.011402
DOI:
10.1103/PhysRevA.64.011402
PACS:
32.80.Pj, 05.20.Dd, 05.30.Jp, 05.30.Fk
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