Entanglement in a Quantum Annealing Processor
T. Lanting, A. J. Przybysz, A. Yu. Smirnov, F. M. Spedalieri, M. H. Amin, A. J. Berkley, R. Harris, F. Altomare, S. Boixo, P. Bunyk, N. Dickson, C. Enderud, J. P. Hilton, E. Hoskinson, M. W. Johnson, E. Ladizinsky, N. Ladizinsky, R. Neufeld, T. Oh, I. Perminov · Physical Review X · 2014
D-wave computers are designed to implement a single quantum algorithm called quantum annealing. Are these computers really quantum? Researchers have found strong evidence that qubits in a processor running the algorithm are entangled quantum mechanically.