Hannover 2020 – wissenschaftliches Programm
Die DPG-Frühjahrstagung in Hannover musste abgesagt werden! Lesen Sie mehr ...
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
Q: Fachverband Quantenoptik und Photonik
Q 13: Posters: Quantum Optics and Photonics I
Q 13.22: Poster
Montag, 9. März 2020, 16:30–18:30, Empore Lichthof
Elementary laser-less quantum logic operations with antiprotons in Penning traps — •Diana Nitzschke1, Marius Schulte1, Malte Niemann2, Juan Cornejo2, Ralf Lehnert3, Christian Ospelkaus2, and Klemens Hammerer1 — 1Institute for Theoretical Physics and Institute for Gravitational Physics (Albert-Einstein-Institute),Leibniz University Hannover, Appelstrasse 2, 30167 Hannover, Germany — 2Institute of Quantum Optics, Leibniz Universität Hannover, Welfengarten 1, 30167 Hannover, Germany — 3Indiana University
Static magnetic feld gradients superimposed on the electromagnetic trapping potential of a Penning trap can be used to implement laser-less spin-motion couplings that allow the realization of elementary quantum logic operations in this system. An important scenario of practical interest is the application to g-factor measurements with single (anti-)protons to test CPT invariance. We discuss the classical and quantum behavior of a charged particle in a Penning trap with a superim- posed magnetic feld gradient. Using analytic and numeric calculations, we find that it is possible to carry out a SWAP gate between the spin and the motional qubit of a single (anti-)proton with high fidelity, provided the particle has been initialized in the motional ground state. We discuss the implications of our findings for the realization of quantum logic spectroscopy in this system.