Weakly bound dimers of fermionic atoms

Details Weakly bound dimers of fermionic atoms Weakly bound dimers of fermionic atoms

2003-08-30

arxiv.org/abs/cond-mat/0309010v1

Phys. Rev. Lett. 93, 090404 (2004)

Physics

Condensed Matter

Statistical Mechanics

4 pages, no figures

Scientific paper

10.1103/PhysRevLett.93.090404

We discuss the behavior of weakly bound bosonic dimers formed in a cold Fermi gas at a large positive scattering length $a$ for the interspecies interaction. We find the exact solution for the dimer-dimer elastic scattering and obtain a strong decrease of their collisional relaxation and decay with increasing $a$. The large ratio of the elastic to inelastic rate is promising for achieving Bose-Einstein condensation of the dimers and cooling the condensed gas to very low temperatures.

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