Formation of fermionic molecules via interisotope Feshbach resonances

E.G.M. Kempen, van, B. Marcelis, S.J.J.M.F. Kokkelmans

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The lithium interaction potentials in terms of formation of fermionic molecules via interisotopic Feshbach resonances, were analyzed. The uncertainties for the position of the wide 6Li Feshbach resonance was presented and an analytical scattering model for this resonance, based on the inclusion of a field-dependent virtual open-channel state was also described. The interaction parameters for 6Li was analyzed and a simple mass scaling of the accumulated phases for the 6Li-7Li system. The results show that 6Li-7Li mixtures feature accessible Feshbach resonances, which give rise to fermionic molecules, yielding new BCS-BEC crossover physics.
Original languageEnglish
Article number050701
Pages (from-to)050701-1/4
Number of pages4
JournalPhysical Review A : Atomic, Molecular and Optical Physics
Issue number5
Publication statusPublished - 2004


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