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Q: Fachverband Quantenoptik und Photonik

Q 12: Ultra-cold atoms, ions and BEC (with A)

Q 12.32: Poster

Montag, 29. Februar 2016, 16:30–19:00, Empore Lichthof

Experiments and theory of NaK molecules — •Kai K. Voges, Matthias W. Gempel, Torben A. Schulze, Torsten Hartmann, Alessandro Zenesini, and Silke Ospelkaus — Institut für Quantenoptik, Universität Hannover

Dipolar collisions between ultracold molecules are characterized by the amazing combination of long-range interaction and strong anisotropy. These properties and their tunability are powerful tools for the investigation of various phenomena, from the many-body dynamics of degenerate gases to the fundamental understanding of collisional physics and chemical processes.

In the experiment we are currently setting up, all these phenomena and many others will be investigated by involving ultracold ground-state NaK molecules. Our set-up has wide optical access, careful design of the electric field and large tunability of the experimental parameters for a wide control of the molecular properties. Here we present the current status of the experiment and an analysis of possible coherent two-photon transfer paths from weakly-bound Feshbach molecules to rovibronic ground state molecules.