Feshbach resonances in an ultracold 7Li-133Cs Bose-Bose mixture
Abstract
We present a study of interspecies Feshbach resonances in ultracold 7Li-133Cs Bose-Bose mixtures. We locate ten interspecies resonances in three different spin-state combinations. By comparing to coupled-channel calculations, we assign six of the resonances to s-wave channels and the rest to p-wave channels. We use the s-wave resonances to refine the ground-state potentials of LiCs in the coupled-channel calculations and then obtain an accurate characterization of the scattering and bound-state properties of the mixtures. Our results will be useful for future experiments with ultracold 7Li-133Cs mixtures.
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