Quasi-2D Bose-Einstein condensation in an optical lattice

Year: 2002

Authors: Burger S., Cataliotti F. S., Fort C., Maddaloni P., Minardi F., Inguscio M.

Autors Affiliation: Laboratorio Europeo di Spettroscopia Nonlineare (LENS), Istituto Nazionale per la Fisica
della Materia, Dipartimento di Fisica, Università di Firenze, Largo Enrico Fermi, 2, I-50125 Firenze, Italy

Abstract: We study the phase transition of a gas of Rb-87 atoms to quantum degeneracy in the combined potential of a harmonically con ning magnetic trap and the periodic potential of an optical lattice. For high optical lattice potentials we observe a significant change in the temperature dependency of the population of the ground state of the system. The experimental results are in good agreement with a model assuming the subsequent formation of quasi-2D condensates in the single lattice sites.

Journal/Review: EPL

Volume: 57 (1)      Pages from: 1  to: 6

KeyWords: Optical lattices; Bose-Einstein condensates;
DOI: 10.1209/epl/i2002-00532-1

Citations: 121
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