Ramsey fringes in a Bose-Einstein condensate between atoms and molecules
S. J. J. M. F. Kokkelmans, M. J. Holland
Abstract
In a recent experiment, a Feshbach scattering resonance was exploited to observe Ramsey fringes in a 85Rb Bose-Einstein condensate. The oscillation frequency corresponded to the binding energy of the molecular state. We show that the observations are remarkably consistent with predictions of a resonance field theory in which the fringes arise from oscillations between atoms and molecules.
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