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Bonn 2000 – wissenschaftliches Programm

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Q: Quantenoptik

Q 10: Atomoptik II

Q 10.5: Vortrag

Dienstag, 4. April 2000, 15:15–15:30, HS XV

Interference of a Bose-Einstein condensate in a hard-wall trap: Formation of vorticity — •J. Ruostekoski, B. Kneer, and W.P. Schleich — Abteilung fur Quantenphysik; Uni Ulm; 89069 Ulm

We theoretically study the coherent expansion of a Bose-Einstein condensate in the presence of a confining impenetrable hard-wall potential. The nonlinear dynamics of the macroscopically coherent matter field results in rich and complex spatio-temporal interference patterns demonstrating the formation of vorticity and solitonlike structures, and the fragmentation of the condensate into coherently coupled pieces. We acknowledge financial from DFG (Forschergruppe "Quantengase").

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