Hitting a BEC with a comb: Evolution of interference patterns inside a magnetic trap
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We study the evolution inside a harmonic trap of Bose-Einstein condensates released from the periodic potential of an optical lattice. After a time-of-flight, harmonic motion of the interference peaks is observed as well as a breathing motion in the direction perpendicular to the optical lattice. We interpret these results in terms of a simple physical model and discuss the possibility of more detailed studies of such a system.
10 pages, 3 figures; submitted to the Journal of Optics B special issue on the "7th International Conference on Atom Optics and Interferometry" (Lunteren, 2002)
10 pages, 3 figures; submitted to the Journal of Optics B special issue on the "7th International Conference on Atom Optics and Interferometry" (Lunteren, 2002)