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.