Erlangen 2018 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 33: Poster Session II
A 33.5: Poster
Mittwoch, 7. März 2018, 16:15–18:15, Redoutensaal
Experimental setup for quantum logic inspired cooling and readout techniques for a single (anti-)proton — •Johannes Mielke1, Teresa Meiners1, Malte Niemann1, Juan M. Cornejo1, Anna-Greta Paschke1,2, Matthias Borchert1,3, Jonathan Morgner1, Amado Bautista-Salvador1,2, Stefan Ulmer3, and Christian Ospelkaus1,2 — 1Institut für Quantenoptik, Leibniz Universität Hannover — 2Physikalisch Technische Bundesanstalt, Braunschweig — 3Ulmer Fundamental Symmetries Laboratory, RIKEN
We discuss techniques tailored for quantum logic inspired cooling and manipulation of a single (anti-)proton in a Penning trap system. Inside the trap a double-well potential is engineered for co-trapping a beryllium ion, which enables for the use of quantum logic spectroscopy inspired sympathetic cooling and readout techniques [1, 2]. These should allow for preparation at sub-Doppler temperatures and a readout of the (anti-)proton’s spin-state in less than a second. Within the BASE collaboration [3] these methods could be applied to precision measurements of the (anti-)proton’s g-factor, thus contributing to a precise test of CPT invariance with baryons.
Here, we present recent progress made in the setup of the Penning trap apparatus, laser systems, and imaging optics for cooling, manipulation, and detection of the trapped beryllium ion.
[1] D. J. Heinzen et al., PRA 42, 2977 (1990)
[2] D. J. Wineland et al., J. Res. NIST 103, 259-328 (1998)
[3] C. Smorra et al., EPJ-ST 224, 3055 (2015)