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Observation of Bose-Einstein Condensation of Molecules - NASA/ADS

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Observation of Bose-Einstein Condensation of Molecules

Abstract

We have observed Bose-Einstein condensation of molecules. When a spin mixture of fermionic 6Li atoms was evaporatively cooled in an optical dipole trap near a Feshbach resonance, the atomic gas was converted into 6Li2 molecules. Below 600nK, a Bose-Einstein condensate of up to 900 000molecules was identified by the sudden onset of a bimodal density distribution. This condensate realizes the limit of tightly bound fermion pairs in the crossover between BCS superfluidity and Bose-Einstein condensation.


Publication:
Physical Review Letters
Pub Date:
December 2003
DOI:
10.1103/PhysRevLett.91.250401
arXiv:
arXiv:cond-mat/0311617
Bibcode:
2003PhRvL..91y0401Z
Keywords:
  • 03.75.Ss;
  • 05.30.Jp;
  • Degenerate Fermi gases;
  • Boson systems;
  • Condensed Matter - Soft Condensed Matter;
  • Condensed Matter - Statistical Mechanics
E-Print:
4 pages, 3 figures
full text sources Publisher | arXiv |