Quasipure Bose-Einstein Condensate Immersed in a Fermi Sea

Year: 2001

Authors: Schreck F., Khaykovich L., Corwin K. L., Ferrari G., Bourdel T., Cubizolles J., Salomon C.

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

Abstract: We report the observation of coexisting Bose-Einstein condensate (BEC) and Fermi gas in a magnetic trap. With a very small fraction of thermal atoms, the Li-7 condensate is quasipure and in thermal contact with a Li-6 Fermi gas. The lowest common temperature is 0.28 muK similar or equal to 0.2(1)T-C = 0.2(1)T-F where T-C is the BEC critical temperature and T-F the Fermi temperature. The Li-7 condensate has a one-dimensional character.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 87 (8)      Pages from: 080403-1  to: 080403-4

KeyWords: BEC-Fermi systems; lithium; simpathetic cooling
DOI: 10.1103/PhysRevLett.87.080403

Citations: 740
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