Hamburg 2009 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 56: Poster IV

Q 56.9: Poster

Thursday, March 5, 2009, 16:30–19:00, VMP 9 Poster

Interspecies interaction in a strongly imbalanced Bose-Bose mixture — •Claudia Weber, Shincy John, Nicolas Spethmann, Tatjana Weikum, Artur Widera, and Dieter Meschede — Institut für Angewandte Physik, Universität Bonn, Wegelerstr. 8, D-53115 Bonn, Germany

We magnetically trap a Bose-Bose mixture of Rubidium and few Caesium atoms simultaneously. Cs is sympathetically cooled by evaporatively cooled Rb in a magnetic trap to a temperature below 1 µK. The ultracold mixture is loaded into an optical dipole trap. We will present the latest results on the interspecies interaction in an external homogeneous magnetic field. A sensitive fluorescence detection technique is incorporated into the experiment to be able to observe single or very few Cs atoms.