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physics.chem-ph2023
Qubit Count Reduction by Orthogonally-Constrained Orbital Optimization for Variational Quantum Excited States Solvers
Joel Bierman, Yingzhou Li, Jianfeng Lu
We propose a state-averaged orbital optimization scheme for improving the accuracy of excited states of the electronic structure Hamiltonian for use on near-term quantum computers.…
physics.chem-ph2022★ 2 cited
Improving the Accuracy of Variational Quantum Eigensolvers With Fewer Qubits Using Orbital Optimization
Joel Bierman, Yingzhou Li, Jianfeng Lu
Near-term quantum computers will be limited in the number of qubits on which they can process information as well as the depth of the circuits that they can coherently carry out. T…
physics.chem-ph2022
Quantum Orbital Minimization Method for Excited States Calculation on Quantum Computer
Joel Bierman, Yingzhou Li, Jianfeng Lu
We propose a quantum-classical hybrid variational algorithm, the quantum orbital minimization method (qOMM), for obtaining the ground state and low-lying excited states of a Hermit…