Jan 5th-8th, 2016
Yukawa Institute for Theoretical Physics, Kyoto University
"Error tolerance of quantum annealing"
Hidetoshi Nishimori (Tokyo Institute of Technology)
Quantum annealing is intrinsically robust against external perturbation because it is supposed in principle to follow the instantaneous ground state. Nevertheless, in practice, there exist a number of factors that hinder ideal realization of quantum annealing in real machines like the D-Wave device. Examples include thermal noise, control errors in the assignment of interactions, interference between superconducting qubits, and diabatic transitions. We have been developing theories of error correction to reduce such non-ideal effects, and I will explain examples of these efforts.
[1] S. Matsuura, H. Nishimori, T. Albash, and D. A. Lidar, arXiv:1510.07790
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