Conversion of an Atomic Fermi Gas to a Long-Lived Molecular Bose Gas

Details Conversion of an Atomic Fermi Gas to a Long-Lived Molecular Bose Gas Conversion of an Atomic Fermi Gas to a Long-Lived Molecular Bose Gas

2003-08-15

arxiv.org/abs/cond-mat/0308318v1

Phys. Rev. Lett. 91, 080406 (2003)

Physics

Condensed Matter

Accepted for publication in Phys. Rev. Letters

Scientific paper

10.1103/PhysRevLett.91.080406

We have converted an ultracold Fermi gas of $^6$Li atoms into an ultracold gas of $^6$Li$_2$ molecules by adiabatic passage through a Feshbach resonance. Approximately $1.5 \times 10^5$ molecules in the least-bound, $v = 38$, vibrational level of the X$^1 \Sigma ^+_g$ singlet state are produced with an efficiency of 50%. The molecules remain confined in an optical trap for times of up to 1 s before we dissociate them by a reverse adiabatic sweep.

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