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Computational Role of Collective Tunneling in a Quantum Annealer
Sergio Boixo, Vadim N. Smelyanskiy, Alireza Shabani +7
Quantum tunneling is a phenomenon in which a quantum state traverses energy barriers above the energy of the state itself. Tunneling has been hypothesized as an advantageous physic…
A case study in programming a quantum annealer for hard operational planning problems
Eleanor G. Rieffel, Davide Venturelli, Bryan O'Gorman +3
We report on a case study in programming an early quantum annealer to attack optimization problems related to operational planning. While a number of studies have looked at the per…
Bayesian Network Structure Learning Using Quantum Annealing
Bryan O'Gorman, Alejandro Perdomo-Ortiz, Ryan Babbush +2
We introduce a method for the problem of learning the structure of a Bayesian network using the quantum adiabatic algorithm. We do so by introducing an efficient reformulation of a…
Quantum Optimization of Fully-Connected Spin Glasses
Davide Venturelli, Salvatore Mandrà, Sergey Knysh +3
The Sherrington-Kirkpatrick model with random couplings is programmed on the D-Wave Two annealer featuring 509 qubits interacting on a Chimera-type graph. The performance of…
A Quantum Annealing Approach for Fault Detection and Diagnosis of Graph-Based Systems
Alejandro Perdomo-Ortiz, Joseph Fluegemann, Sriram Narasimhan +2
Diagnosing the minimal set of faults capable of explaining a set of given observations, e.g., from sensor readouts, is a hard combinatorial optimization problem usually tackled wit…