Authors: R. Barends, J. Kelly, A. Megrant, Andrzej Veitia, D. Sank, E. Jeffrey, T. White, J. Mutus, Austin G. Fowler, B. Campbell, Yanbin Chen, Z. Chen, B. Chiaro, A. Dunsworth, C. Neill, P. O’Malley, P. Roushan, A. Vainsencher, J. Wenner, Alexander N. Korotkov, A. N. Cleland, John M. Martinis - Nature 2014 cited by 1,774
