Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-10-12
Phys. Rev. Lett. 100, 143201 (2008)
Physics
Condensed Matter
Other Condensed Matter
4 pages, 4 figures, 1 table
Scientific paper
10.1103/PhysRevLett.100.143201
Using a Feshbach resonance, we create ultracold fermionic molecules starting from a Bose-Fermi atom gas mixture. The resulting mixture of atoms and weakly bound molecules provides a rich system for studying few-body collisions because of the variety of atomic collision partners for molecules; either bosonic, fermionic, or distinguishable atoms. Inelastic loss of the molecules near the Feshbach resonance is dramatically affected by the quantum statistics of the colliding particles and the scattering length. In particular, we observe a molecule lifetime as long as 100 ms near the Feshbach resonance.
D'Incao Jose P.
Jin Deborah S.
Ni Kaixuan
Ospelkaus Silke
Wieman Carl E.
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