Bulletin of the American Physical Society
Improved Phase Qubits with Re-Al$_{2}$O$_{3}$-Al Junctions with Epitaxial Barriers.
K. Cicak, Allman, Jeffrey S. Kline, Seongshik Oh, Kevin D. Osborn, G.I. Prokopenko, Sillanpää, Adam J. Sirois, Joshua Strong, Jed D. Whittaker, John M. Martinis, David P. Pappas, Raymond W. Simmonds