P-wave Feshbach resonances of ultra-cold ${}^6$Li

Abstract

We report the observation of three p-wave Feshbach resonances of ${}^6$Li atoms in the lowest hyperfine state $f=1/2$. The positions of the resonances are in good agreement with theory. We study the lifetime of the cloud in the vicinity of the Feshbach resonances and show that depending on the spin states, 2- or 3-body mechanisms are at play. In the case of dipolar losses, we observe a non-trivial temperature dependence that is well explained by a simple model.

arXiv comment4 pages, 5 figures, accepted by PRA

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