Browsing by Subject "Highly charged ions"

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  • Schmöger, L.; Versolato, O.O.; Schwarz, M.; Kohnen, M.; Windberger, A.; Piest, B.; Feuchtenbeiner, S.; Pedregosa, J.; Leopold, T.; Micke, P.; Hansen, A.K.; Baumann, T.M.; Drewsen, M.; Ullrich, J.; Schmidt, Piet O.; Crespo López-Urrutia, J.R. (Bristol : IOP Publishing Ltd., 2015)
    Sympathetic Coulomb crystallization of highly charged ions, retrapped in a cryogenic radiofrequency trap, is demonstrated by an over seven orders-of-magnitude decrease in motional temperature.
  • Schwarz, M.; Versolato, O.O.; Windberger, A.; Brunner, F.R.; Ballance, T.; Eberle, S.N.; Ullrich, J.; Schmidt, Piet O.; Hansen, A.K.; Gingell, A.D.; Drewsen, M.; Crespo López-Urrutia, J.R. (College Park, MD : American Institute of Physics, 2012)
    Storage and cooling of highly charged ions require ultra-high vacuum levels obtainable by means of cryogenic methods. We have developed a linear Paul trap operating at 4 K capable of very long ion storage times of about ...
  • Schmöger, L.; Schwarz, M.; Baumann, T.M.; Versolato, O.O.; Piest, B.; Pfeifer, T.; Ullrich, J.; Schmidt, Piet O.; Crespo López-Urrutia, J.R. (College Park, MD : American Institute of Physics, 2015)
    Preparing highly charged ions (HCIs) in a cold and strongly localized state is of particular interest for frequency metrology and tests of possible spatial and temporal variations of the fine structure constant. Our versatile ...
  • Micke, P.; Kuehn, S.; Buchauer, L.; Harries, J. R.; Buecking, T.M.; Blaum, K.; Cieluch, A.; Egl, A.; Hollain, D.; Kraemer, S.; Pfeifer, T.; Schmidt, P. O.; Schuessler, R.X.; Schweiger, C.; Stoehlker, T.; Sturm, S.; Wolf, R. N.; Bernitt, S.; Lopez-Urrutia, J.R. Crespo (College Park : American Institute of Physics (AIP), 2018)
    Electron beam ion traps (EBITs) are ideal tools for both production and study of highly charged ions (HCIs). In order to reduce their construction, maintenance, and operation costs, we have developed a novel, compact, ...