Resonant Dimer Relaxation in Cold Atoms with a Large Scattering Length

Details Resonant Dimer Relaxation in Cold Atoms with a Large Scattering Length Resonant Dimer Relaxation in Cold Atoms with a Large Scattering Length

2006-10-04

arxiv.org/abs/cond-mat/0610116v2

Phys.Rev.A75:052710,2007

Physics

Condensed Matter

Other Condensed Matter

4 pages, 2 eps figures, normalization error in figures corrected, equations unchanged

Scientific paper

10.1103/PhysRevA.75.052710

Efimov physics refers to universal phenomena associated with a discrete scaling symmetry in the 3-body problem with a large scattering length. The first experimental evidence for Efimov physics was the recent observation of a resonant peak in the 3-body recombination rate for 133Cs atoms with large negative scattering length. There can also be resonant peaks in the atom-dimer relaxation rate for large positive scattering length. We calculate the atom-dimer relaxation rate as a function of temperature and show how measurements of the relaxation rate can be used to determine accurately the parameters that govern Efimov physics.

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