Volume 56, Number 3, November 2001
|Page(s)||326 - 332|
|Published online||01 December 2003|
Josephson-type oscillations of a driven Bose-Einstein condensate in an optical lattice
INFM and Classe di Scienze,
Scuola Normale Superiore - I-56126 Pisa, Italy
Accepted: 20 August 2001
Coherent transport behaviour has been demonstrated in experiments on atomic Bose-Einstein condensates driven by an external force through a quasi-one-dimensional optical lattice. We exploit the Wannier-function representation of band states to elucidate the relationship of such coherent transport with the weak-link Josephson effect and test the observability of multimode behaviour in condensates by numerical solution of the Gross-Pitaevskii equation.
PACS: 03.75.-b – Matter waves
© EDP Sciences, 2001
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