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Berlin 2001 – scientific programme

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Q: Quantenoptik

Q 17: Poster: Cooling and Trapping

Q 17.33: Poster

Wednesday, April 4, 2001, 12:30–15:00, AT2

Collisional and Collapse Dynamics of a Twin Bose–Einstein Condensate with Negative Scattering Length — •Karl-Peter Marzlin1, Weiping Zhang2, Leon Tribe3, and Barry C. Sanders31Fakultät für Physik, Universität Konstanz, Germany — 2Optical Sciences Center, University of Arizona, USA — 3Departement of Physics, Macquire University, Sydney, Australia

We study the collisional and collapse dynamics of a twin Bose–Einstein condensate with an attractive interatomic interaction. We show that the collision between two Bose–Einstein components with densities higher than the critical density for instability can first lead to a collapsing dynamics due to the attractive interatomic interaction followed by a cessation of collapse due to particle exchange arising from the mutual nonlinear interaction.

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