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Hannover 2016 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 9: Ultra-cold atoms, ions and BEC (with Q)

A 9.45: Poster

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

Towards the micromotion energy limit in a hybrid atom-ion experiment — •Joschka Wolf, Artjom Krükow, Amir Mohammadi, Amir Mahdian, and Johannes Hecker Denschlag — Universität Ulm, Institut für Quantenmaterie, Albert-Einstein-Allee 45, D-89069 Ulm, Deutschland

In our hybrid atom-ion experiment, we investigate the interaction of a laser-cooled trapped 138Ba ion with an ultracold cloud of 87Rb atoms [1].
Induced by micromotion, in this system there are three main sources of atom-ion collision energy. The excess micromotion caused by static electrical fields, the phase micromotion resulting from a phase delay between the radio frequency blades and a collision induced micromotion energy.
In this poster we show our recent progress in the minimization of phase micromotion and excess micromotion. We are then essentially left with collision induced micromotion and plan to measure this quantity for the first time in the near future.

[1] A. Krükow et al., arXiv:1510.04938 (2015)

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