Defining and detecting quantum speedup

Troels F. Rønnow, Zhihui Wang, Joshua Job, Sergio Boixo, Sergei V. Isakov, David Wecker, John M. Martinis, Daniel A. Lidar, and Matthias Troyer∗1 Theoretische Physik, ETH Zurich, 8093 Zurich, Switzerland Department of Chemistry and Center for Quantum Information Science & Technology, University of Southern California, Los Angeles, California 90089, USA Department of Physics and Center for Quantum Information Science & Technology, University of Southern California, Los Angeles, California 90089, USA Google, 150 Main St, Venice Beach, CA, 90291 Google, Brandschenkestrasse 110, 8002 Zurich, Switzerland Quantum Architectures and Computation Group, Microsoft Research, Redmond, WA 98052, USA Department of Physics, University of California, Santa Barbara, CA 93106-9530, USA Departments of Electrical Engineering, Chemistry and Physics, and Center for Quantum Information Science & Technology, University of Southern California, Los Angeles, California 90089, USA