Implementation of a Quantum Annealing Algorithm Using a Superconducting Circuit

Implementation of a Quantum Annealing Algorithm Using a Superconducting Circuit

A circuit consisting of a network of coupled compound Josephson junction rf-SQUID flux qubits has been used to implement an adiabatic quantum optimization algorithm. It is shown that detailed knowledge of the magnitude of the persistent current as a function of annealing parameters is key to implementation of the algorithm on this particular type of hardware. Experimental results contrasting two annealing protocols, one with and one without active compensation for the growth of the qubit persistent current during annealing, are presented in order to illustrate this point.

[arxiv:0903.3906]

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