Ultracold three-body collisions near narrow Feshbach resonances

Details Ultracold three-body collisions near narrow Feshbach resonances Ultracold three-body collisions near narrow Feshbach resonances

2009-06-27

arxiv.org/abs/0906.5019v2

Phys. Rev. A 83, 042710 (2011)

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevA.83.042710

We study ultracold three-body collisions of bosons and fermions when the interatomic interaction is tuned near a narrow Feshbach resonance. We show that the width of the resonance has a substantial impact on the collisional properties of ultracold gases in the strongly interacting regime. We obtain numerical and analytical results that allow us to identify universal features related to the resonance width. For narrow resonances, we have found a suppression of all inelastic processes in boson systems leading to deeply bound states and an enhancement for fermion systems.

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