TY - JOUR AU - Sun, G. TI - Population inversion induced by Landau-Zener transition in a strongly driven rf superconducting quantum interference device JA - Appl. Phys. Lett. PY - 2009/// VL - 94 SP - 102502 PB - Nature Publishing Group M3 - 10.1063/1.3093823 N1 - 10.1063/1.3093823 UR - http://dx.doi.org/10.1063/1.3093823 ER -