Creation of a molecular condensate by dynamically melting a Mott-insulator

Abstract

We propose creation of a molecular Bose-Einstein condensate (BEC) by loading an atomic BEC into an optical lattice and driving it into a Mott insulator (MI) with exactly two atoms per site. Molecules in a MI state are then created under well defined conditions by photoassociation with essentially unit efficiency. Finally, the MI is melted and a superfluid state of the molecules is created. We study the dynamics of this process and photoassociation of tightly trapped atoms.

minor revisions, 5 pages, 3 figures, REVTEX4, accepted by PRL for publication

References in corpus (2)

• Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
• Rate limit for photoassociation of a Bose-Einstein condensate

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