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quant-ph2020★ 19 cited
Implementation of Measurement Reduction for the Variational Quantum Eigensolver
Alexis Ralli, Peter Love, Andrew Tranter +1
One limitation of the variational quantum eigensolver algorithm is the large number of measurement steps required to estimate different terms in the Hamiltonian of interest. Unitar…
quant-ph2020★ 27 cited
Contextual Subspace Variational Quantum Eigensolver
William M. Kirby, Andrew Tranter, Peter J. Love
We describe the contextual subspace variational quantum eigensolver (CS-VQE), a hybrid quantum-classical algorithm for approximating the ground state energy of a Hamiltonian. The a…