Mainz 2017 – scientific programme

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A: Fachverband Atomphysik

A 1: Collision Experiments

A 1.5: Talk

Monday, March 6, 2017, 15:45–16:00, HS 20

Towards Ultracold Li−Ba⁺ Interactions — •Markus Debatin, Pascal Weckesser, Fabian Thielemann, Yannick Minet, Julian Schmidt, Alexander Lambrecht, Leon Karpa, and Tobias Schaetz — Physikalisches Institut, Universität Freiburg, Germany

Research on the interplay of atoms and ions allows to observe a large variety of interesting physics phenomena [1]. Optical trapping of ions [2] allows to overcome heating effects caused by technical and intrinsic micromotion, which is ubiquitous in Paul traps [3].

We are currently setting a novel experiment targeting ultracold interactions between Ba⁺ ions and Li atoms. We give details on our strategy to combine an Ion trap with homogenous mangetic fields required for tuning Li interac- tions and good optical access necessary for optical trapping of Ba + Ions and imaging of both species.

[1] A. Haerter et al., Contemp. Phys., 55, 1, pp. 33-45 (2014).

[2] T. Huber et al., Nat. Comm. 5,5587 (2014).

[3] M.Cetina et al., Phys.Rev.Lett. 109,253201 (2012).