Formation of fermionic molecules via interisotope Feshbach resonances
Kempen, E. G. M. v. · Marcelis, B. · Kokkelmans, S. J. J. M. F.
Original · EN
We perform an analysis of recent experimental measurements and improve the lithium interaction potentials. For ⁶Li a consistent description can be given. We discuss theoretical uncertainties for the position of the wide ⁶Li Feshbach resonance, and we present an analytic scattering model for this resonance, based on the inclusion of a field-dependent virtual open-channel state. We predict new Feshbach resonances for the ⁶Li-⁷Li system, and their importance for different types of crossover superfluidity models is discussed.
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