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Phys. Rev. Lett. 89, 180401 (2002) [4 pages]

Ramsey Fringes in a Bose-Einstein Condensate between Atoms and Molecules

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S. J. J. M. F. Kokkelmans and M. J. Holland
JILA, University of Colorado and National Institute of Standards and Technology, Boulder, Colorado 80309-0440

Received 24 April 2002; published 11 October 2002

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.


©2002 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.89.180401
DOI: 10.1103/PhysRevLett.89.180401
PACS: 03.75.Fi, 67.60.–g, 74.20.–z

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