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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2016

Feshbach resonances and weakly bound molecular states of boson-boson and boson-fermion NaK pairs

Alexandra Viel
Andrea Simoni

Résumé

We conduct a theoretical study of magnetically induced Feshbach resonances and near-threshold bound states in isotopic NaK pairs. Our calculations accurately reproduce Feshbach spectroscopy data on Na40K and explain the origin of the observed multiplets in the p wave [Phys. Rev. A 85, 51602(R) (2012)]. We apply the model to predict scattering and bound state threshold properties of the boson-boson Na39K and Na41K systems. We find that the Na39K isotopic pair presents broad magnetic Feshbach resonances and favorable ground-state features for producing nonreactive polar molecules by two-photon association. Broad s-wave resonances are also predicted for Na41K collisions
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Dates et versions

hal-01298490 , version 1 (10-07-2017)

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Alexandra Viel, Andrea Simoni. Feshbach resonances and weakly bound molecular states of boson-boson and boson-fermion NaK pairs. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2016, 93 (4), pp.042701. ⟨10.1103/PhysRevA.93.042701⟩. ⟨hal-01298490⟩
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