Mainz 2026 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 33: Precision Spectroscopy of Atoms and Ions V (joint session A/Q)
A 33.7: Vortrag
Donnerstag, 5. März 2026, 16:00–16:15, N 3
Towards electron and Ca+ ion cotrapping in a dual-frequency Paul trap — •Vladimir Mikhailovskii1,2,3, Natalija Sheth1,2,3, Mohammadreza Nematollahi1,2,3, Guofeng Qu4, Michal Hejduk5, Niklas Vilhelm Lausti5, K. T. Satyajith6, Christian Smorra7, Gunther Werth3, Neha Yadav8, Qian Yu8, Clemens Matthiesen8, Hartmut Haffner8, Ferdinand Schmidt-Kaler3, Hendrik Bekker1,2,3, and Dmitry Budker1,2,3,8 — 1Helmholtz-Institut Mainz, 55128 Mainz, Germany — 2GSI Helmholtzzentrum fur Schwerionenforschung GmbH, 64291 Darmstadt, Germany — 3QUANTUM, Institut fur Physik, Johannes Gutenberg-Universitat, 55128, Mainz, Germany — 4Institute of Nuclear Science and Technology, Sichuan University, 610065, Chengdu, China — 5Faculty of Mathematics and Physics, Charles University, Prague 8, Czech Republic — 6Delta Q, MITK, 576217, Moodlakatte, India — 7Heinrich Heine University Dusseldorf, 40225 Dusseldorf, Germany — 8Department of Physics, University of California, 94720-7300, Berkeley, USA
Achieving simultaneous cotrapping of oppositely charged particles in the same Paul trap volume is an important milestone in the AntiMatter On a Chip project [1]. In our recent research we studied trapping of either electrons or Ca+ ions in a dual-frequency field [2]. Here we overview the achieved results, discuss current shortcomings, and propose strategies towards simultaneous trapping of oppositely charged particles, aiming at cotrapping matter and antimatter.
1.N. Leefer, et al. Hyperfine Interact 238, 12 (2017)
2.V. Mikhailovskii, et al. arXiv:2508.16407 (2025)
Keywords: Paul trap; Radiofrequency trap; electrons trapping; ion trapping