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Phys. Rev. Lett. 90, 110401 (2003) [4 pages]

Creation of a Dipolar Superfluid in Optical Lattices

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B. Damski1,2, L. Santos1, E. Tiemann3, M. Lewenstein1, S. Kotochigova4, P. Julienne4, and P. Zoller5
1Institut für Theoretische Physik, Universität Hannover, D-30167 Hannover, Germany
2Instytut Fizyki, Uniwersytet Jagielloński, Reymonta 4, PL-30 059 Kraków, Poland
3Institut für Quantenoptik, Universität Hannover, D-30167 Hannover, Germany
4National Institute of Standards and Technology, Gaithersburg, Maryland 20899
5Institut für Theoretische Physik, Universität Innsbruck, A-6020 Innsbruck, Austria

Received 20 August 2002; published 17 March 2003

We show that, by loading a Bose-Einstein condensate of two different atomic species into an optical lattice, it is possible to achieve a Mott-insulator phase with exactly one atom of each species per lattice site. A subsequent photoassociation leads to the formation of one heteronuclear molecule with a large electric dipole moment, at each lattice site. The melting of such a dipolar Mott insulator creates a dipolar superfluid, and eventually a dipolar molecular condensate.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.110401
DOI:
10.1103/PhysRevLett.90.110401
PACS:
03.75.Kk, 05.30.Jp, 42.50.Ct
 
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