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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 45: Ultra Cold Atoms, Ions and BEC III (with A)

Q 45.4: Talk

Thursday, March 11, 2010, 11:15–11:30, F 303

Collisions of single ions with ultracold neutral atoms — •Stefan Schmid1, 2, Arne Härter1, 2, and Johannes Hecker Denschlag1, 21Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria — 2Institut für Quantenmaterie, Universität Ulm, Albert-Einstein-Allee 45, 89081 Ulm, Germany

We have set up an experiment in which a single trapped Ba+ ion is immersed into a sea of ultracold neutral Rb atoms.

In the Paul trap we can store single ions as well as strings of several ions cooled to the Doppler limit. We produce our BEC in a QUIC trap and transport it over 30 cm into a linear Paul trap using a moving 1D optical lattice. Subsequently the atoms are loaded into a crossed dipole trap, which is overlapped with the position of the ion.

First experimental results on the collisions of the ion with the ultracold sample are shown.

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