A Bose-Einstein condensate immersed in a Fermi sea: observation of ultra-cold mixture of Bose and Fermi gases

Anno: 2003

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

Affiliazione autori: Laboratoire Kastler Brossel, Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris Cedex 05, France

Abstract: We report the formation of mixtures of bosonic and fermionic quantum systems in dilute atomic gases. Two isotopes of lithium are cooled by standard laser cooling techniques and transferred into a magnetic trap. Evaporative cooling is performed selectively on the bosonic isotope (Li-7), while its fermionic counterpart (Li-6) is cooled sympathetically until simultaneous quantum degeneracy is reached. The Li-7 Bose Einstein condensate contains a very small fraction of thermal atoms and is in thermal equilibrium with Li-6 Fermi sea at a temperature of (1)/(5) of the Fermi temperature. (C) 2003 Elsevier Science B.V. All rights reserved.

Giornale/Rivista: PHYSICA B-CONDENSED MATTER

Volume: 329      Da Pagina: 13  A: 16

Parole chiavi: BEC-Fermi systems; sympathetic cooling; lithium
DOI: 10.1016/S0921-4526(02)01873-2

Citazioni: 5
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2025-05-18
Riferimenti tratti da Isi Web of Knowledge: (solo abbonati)
Link per visualizzare la scheda su IsiWeb: Clicca qui
Link per visualizzare la citazioni su IsiWeb: Clicca qui