Düsseldorf 2007 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 64: Poster Quantengase

Q 64.4: Poster

Donnerstag, 22. März 2007, 16:30–18:30, Poster C

Measurements of scattering lengths in ultracold lithium rubidium mixtures — •Benjamin Deh, Carsten Marzok, Philippe W. Courteille, and Claus Zimmermann — Physikalisches Institut, Universität Tübingen, Auf der Morgenstelle 14, D-72076

The physics of ultracold mixtures has received enormous interest in recent times. Fascinating experiments, such as simulation of a solid state like system and the formation of ultracold dimers are conceivable. The mixture of lithium and rubidium is especially interesting due to its high mass difference. We cooled both the Fermi–Bose mixture, ⁶Li and ⁸⁷Rb, and the bose–bose mixture, ⁷Li and ⁸⁷Rb, to ultracold temperatures. Furthermore, we were able to measure the triplet scattering lengths of these systems. The current status of the experiment will be described.