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Erlangen 2022 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 7: Precision spectroscopy of atoms and ions I (joint session A/Q)

Q 7.1: Vortrag

Montag, 14. März 2022, 14:00–14:15, A-H2

Sympathetic cooling of macroscopically separated ions via image-current coupling — •Christian Will1, Matthew Bohman1,2, Markus Wiesinger1,2, Fatma Abbass4, Jack Devlin2,7, Stefan Erlewein2,7, Markus Fleck2,8, Julia Jäger1,7, Barbara Latacz2, Peter Micke7, Andreas Mooser1, Daniel Popper4, Elise Wursten1,2,7, Klaus Blaum1, Yasuyuki Matsuda8, Christian Ospelkaus5,6, Wolfgang Quint9, Jochen Walz3,4, Christian Smorra2,4, and Stefan Ulmer21Max-Planck-Institut für Kernphysik — 2RIKEN — 3Helmholtz-Institut Mainz — 4Johannes Gutenberg-Universität Mainz — 5Leibniz Universität Hannover — 6Physikalisch-Technische Bundesanstalt — 7CERN — 8University of Tokyo — 9GSI Helmholtzzentrum für Schwerionenforschung GmbH

A general-purpose cooling technique that achieves mK-temperatures for species without suitable laser transitions is of interest for a wide range of AMO experiments with trapped charged particles. We present recently published results on sympathetically cooling a single proton in a Penning trap with laser-cooled beryllium ions located in a different trap (Bohman et al., Nature, 2021). Coupling is achieved via image currents induced in adjacent trap electrodes, allowing a macroscopic separation between the two species. This techniques allows cooling of any trapped charged particle, with a particular focus on exotic species such as antimatter or highly-charged ions.

This talk will cover the most recent experimental results as well as future prospects based on simulation work.

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