Roushan, P.
Neill, C.
Chen, Yu
Kolodrubetz, M.
Quintana, C.
Leung, N.
Fang, M.
Barends, R.
Campbell, B.
Chen, Z.
Chiaro, B.
Dunsworth, A.
Jeffrey, E.
Kelly, J.
Megrant, A.
Mutus, J.
O’Malley, P. J. J.
Sank, D.
Vainsencher, A.
Wenner, J.
White, T.
Polkovnikov, A.
Cleland, A. N.
Martinis, J. M.
Article History
Received: 24 June 2014
Accepted: 23 September 2014
First Online: 12 November 2014
Competing interests
: The authors declare no competing financial interests.