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Geometrical Formalism for Dynamically Corrected Gates in Multiqubit Systems
Donovan Buterakos, Sankar Das Sarma, Edwin Barnes
The ability to perform gates in multiqubit systems that are robust to noise is of crucial importance for the advancement of quantum information technologies. However, finding contr…
An adaptive quantum approximate optimization algorithm for solving combinatorial problems on a quantum computer
Linghua Zhu, Ho Lun Tang, George S. Barron +4
The quantum approximate optimization algorithm (QAOA) is a hybrid variational quantum-classical algorithm that solves combinatorial optimization problems. While there is evidence s…
Resource requirements for efficient quantum communication using all-photonic graph states generated from a few matter qubits
Paul Hilaire, Edwin Barnes, Sophia E. Economou
Quantum communication technologies show great promise for applications ranging from the secure transmission of secret messages to distributed quantum computing. Due to fiber losses…
Preserving Symmetries for Variational Quantum Eigensolvers in the Presence of Noise
George S. Barron, Bryan T. Gard, Orien J. Altman +3
One of the most promising applications of noisy intermediate-scale quantum computers is the simulation of molecular Hamiltonians using the variational quantum eigensolver. We show…
Fast noise-resistant control of donor nuclear spin qubits in silicon
James Simon, F. A. Calderon-Vargas, Edwin Barnes +1
A high degree of controllability and long coherence time make the nuclear spin of a phosphorus donor in isotopically purified silicon a promising candidate for a quantum bit. Howev…