Phys. Rev. Lett. 91, 240402 (2003) [4 pages]Pure Gas of Optically Trapped Molecules Created from Fermionic AtomsReceived 5 August 2003; published 8 December 2003 We report on the production of a pure sample of up to 3×105 optically trapped molecules from a Fermi gas of 6Li atoms. The dimers are formed by three-body recombination near a Feshbach resonance. For purification, a Stern-Gerlach selection technique is used that efficiently removes all trapped atoms from the atom-molecule mixture. The behavior of the purified molecular sample shows a striking dependence on the applied magnetic field. For very weakly bound molecules near the Feshbach resonance, the gas exhibits a remarkable stability with respect to collisional decay. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.240402
DOI:
10.1103/PhysRevLett.91.240402
PACS:
03.75.Ss, 05.30.Fk, 32.80.Pj, 33.80.Ps
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