Scattering properties of weakly bound dimers of fermionic atoms

Details Scattering properties of weakly bound dimers of fermionic atoms Scattering properties of weakly bound dimers of fermionic atoms

2004-07-21

arxiv.org/abs/cond-mat/0407579v1

Phys.Rev.A71:012708,2005

Physics

Condensed Matter

Statistical Mechanics

extended version of cond-mat/0309010

Scientific paper

10.1103/PhysRevA.71.012708

We consider weakly bound diatomic molecules (dimers) formed in a two-component atomic Fermi gas with a large positive scattering length for the interspecies interaction. We develop a theoretical approach for calculating atom-dimer and dimer-dimer elastic scattering and for analyzing the inelastic collisional relaxation of the molecules into deep bound states. This approach is based on the single-channel zero range approximation, and we find that it is applicable in the vicinity of a wide two-body Feshbach resonance. Our results draw prospects for various interesting manipulations of weakly bound dimers of fermionic atoms.

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