Demonstration of a Nonstoquastic Hamiltonian in Coupled Superconducting Flux Qubits
Demonstration of a Nonstoquastic Hamiltonian in Coupled Superconducting Flux Qubits
Quantum annealing (QA) is a heuristic algorithm for finding low-energy configurations of a system, with applications in optimization, machine learning, and quantum simulation. Up to now, all implementations of QA have been limited to qubits coupled via a single degree of freedom. This gives rise to a stoquastic Hamiltonian that …