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Towards metrology with highly charged isomeric ions from antiproton annihilation
Sara Alfaro, Lorenz Panzl, Jakub Zieliński +10
We describe how the annihilation of antiprotons can be utilized to generate highly charged isomeric ions in an ion-trap setup. We identify optical transitions in the hyperfine spli…
RF-induced heating dynamics of non-crystallized trapped ions
Martin W. van Mourik, Pavel Hrmo, Lukas Gerster +4
We investigate the energy dynamics of non-crystallized (melted) ions, confined in a Paul trap. The non-periodic Coulomb interaction experienced by melted ions forms a medium for no…
Observation of superconductivity and surface noise using a single trapped ion as a field probe
K. Lakhmanskiy, P. C. Holz, D. Schärtl +5
Measuring and understanding electric field noise from bulk material and surfaces is important for many areas of physics. In this work, we introduce a method to detect in situ diffe…
Absolute frequency measurement of the 40Ca+ S1/2 - D5/2 clock transition
M. Chwalla, J. Benhelm, K. Kim +12
We report on the first absolute transition frequency measurement at the 10^{-15} level with a single, laser-cooled 40Ca+ ion in a linear Paul trap. For this measurement, a frequenc…