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29 March 2024
 
  » pubmed » pmid15089653

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Crossover from a molecular Bose-Einstein condensate to a degenerate Fermi gas
M Bartenstein ; A Altmeyer ; S Riedl ; S Jochim ; C Chin ; J Hecker Denschlag ; R Grimm ;
Date 26 Mar 2004
Journal Phys Rev Lett, 92 (12), 120401
AbstractWe demonstrate a reversible conversion of a 6Li2 molecular Bose-Einstein condensate to a degenerate Fermi gas of atoms by adiabatically crossing a Feshbach resonance. By optical in situ imaging, we observe a smooth change of the cloud size in the crossover regime. On the Feshbach resonance, the ensemble is strongly interacting and the measured cloud size is 75(7)% of the one of a noninteracting zero-temperature Fermi gas. The high condensate fraction of more than 90% and the adiabatic crossover suggest our Fermi gas to be cold enough to form a superfluid.
Source PubMed, pmid15089653
Other source [GID 272768] cond-mat/0401109
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