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Phys Rev Lett. 2000 Apr 24;84(17):3803-6. doi: 10.1103/PhysRevLett.84.3803.

Bose-stimulated raman adiabatic passage in photoassociation.

Physical review letters

Mackie, Kowalski, Javanainen

Affiliations

  1. Department of Physics, University of Connecticut, Storrs, Connecticut 06269-3046, USA.

PMID: 11019210 DOI: 10.1103/PhysRevLett.84.3803

Abstract

We analyze coherent two-color photoassociation of a Bose-Einstein condensate, focusing on stimulated Raman adiabatic passage (STIRAP) in free-bound-bound transitions from atoms to molecules. This problem raises an interest because STIRAP has been predicted to be absent in the nondegenerate case [Javanainen and Mackie, Phys. Rev. A 58, R789 (1998)]. Nevertheless, we find that Bose stimulation enhances the free-bound dipole matrix element for an atomic condensate, and photoassociative STIRAP turns out to be a viable mechanism for converting an atomic condensate to a molecular condensate with near-unit efficiency.

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