Three-boson problem near a narrow Feshbach resonance

Details Three-boson problem near a narrow Feshbach resonance Three-boson problem near a narrow Feshbach resonance

2004-04-02

arxiv.org/abs/cond-mat/0404036v2

Phys. Rev. Lett. 93, 143201 (2004)

Physics

Condensed Matter

Statistical Mechanics

published version

Scientific paper

10.1103/PhysRevLett.93.143201

We consider a three-boson system with resonant binary interactions and show that three-body observables depend only on the resonance width and the scattering length. The effect of narrow resonances is qualitatively different from that of wide resonances revealing novel physics of three-body collisions. We calculate the rate of three-body recombination to a weakly bound level and the atom-dimer scattering length and discuss implications for experiments on Bose-Einstein condensates and atom-molecule mixtures near Feshbach resonances.

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