Sympathetic cooling schemes for separately trapped ions coupled via image currents oleh C Will, M Bohman, T Driscoll, M Wiesinger, F Abbass, M J Borchert, J A Devlin, S Erlewein, M Fleck, B Latacz, R Moller, A Mooser, D Popper, E Wursten, K Blaum, Y Matsuda, C Ospelkaus, W Quint, J Walz, C Smorra, S Ulmer