Auflistung nach Schlagwort "Penning traps"

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  • Characterisation of an experiment for sympathetic cooling and coupling of ions in a cryogenic Penning trap 
    Meiners, Teresa (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    The comparison of the g-factors of the proton and the antiproton is a stringent test of CPT invariance. The state-of-the-art method for the determination of the (anti-)proton's g-factor is the application of the continuous ...
  • Elementary Laser‐Less Quantum Logic Operations with (Anti‐)Protons in Penning Traps 
    Nitzschke, Diana; Schulte, Marius; Niemann, Malte; Cornejo, Juan M.; Ulmer, Stefan; Lehnert, Ralf; Ospelkaus, Christian; Hammerer, Klemens (Weinheim : Wiley-VCH Verlag, 2020)
    Static magnetic field 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 ...
  • Optical stimulated-Raman sideband spectroscopy of a single 9Be+ ion in a Penning trap 
    Cornejo, Juan M.; Brombacher, Johannes; Coenders, Julia A.; Boehn, Moritz von; Meiners, Teresa; Niemann, Malte; Ulmer, Stefan; Ospelkaus, Christian (College Park, MD : APS, 2023)
    We demonstrate optical sideband spectroscopy of a single 9Be+ ion in a cryogenic 5 tesla Penning trap using two-photon stimulated-Raman transitions between the two Zeeman sublevels of the 1s22s ground state manifold. By ...
  • Quantum logic inspired techniques for spacetime-symmetry tests with (anti-)protons 
    Cornejo, Juan M.; Lehnert, Ralf; Niemann, Malte; Mielke, Johannes; Meiners, Teresa; Bautista-Salvador, Amado; Schulte, Marius; Nitzschke, Diana; Borchert, Matthias J.; Hammerer, Klemens; Ulmer, Stefan; Ospelkaus, Christian ([London] : IOP, 2021)
    Cosmological observations as well as theoretical approaches to physics beyond the standard model provide strong motivations for experimental tests of fundamental symmetries, such as CPT invariance. In this context, the ...
  • Thermometry of 9Be+ ions in a cryogenic Penning trap 
    Mielke, Johannes (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    High precision comparisons of the proton and antiproton g-factor enable stringent tests of CPT symmetry in the baryonic sector. However, current measurement routines suffer from long preparation times and high particle ...