Observation of macroscopic Landau-Zener transitions in a superconducting device A. Izmalkov, M. Grajcar, E. Il'ichev, N. Oukhanski, Th. Wagner, H.-G. Meyer, W. Krech, M. H. S. Amin, Alec Maassen van den Brink and A. M. Zagoskin Europhys. Lett., 65 6 (2004) 844-849 Published online: 01 March 2004 DOI: 10.1209/epl/i2003-10200-6