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Elastic and inelastic collisions of 6Li in magnetic and optical traps

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arxiv cond-mat/9710333 v1 pith:MZJNX3I3 submitted 1997-10-30 cond-mat.stat-mech

Elastic and inelastic collisions of 6Li in magnetic and optical traps

classification cond-mat.stat-mech
keywords magneticcalculationchannelscollisionscoupledanalyticalapproximatedcalculate
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We use a full coupled channels method to calculate collisional properties of magnetically or optically trapped ultracold 6Li. The magnetic field dependence of the s-wave scattering lengths of several mixtures of hyperfine states are determined, as are the decay rates due to exchange collisions. In one case, we find Feshbach resonances at B=0.08 T and B=1.98 T. We show that the exact coupled channels calculation is well approximated over the entire range of magnetic fields by a simple analytical calculation.

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