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Witnessing eigenstates for quantum simulation of Hamiltonian spectra
R Santagati, J Wang, A A Gentile +11
The efficient calculation of Hamiltonian spectra, a problem often intractable on classical machines, can find application in many fields, from physics to chemistry. Here, we introd…
Hybrid Quantum-Classical Hierarchy for Mitigation of Decoherence and Determination of Excited States
Jarrod R. McClean, Mollie E. Schwartz, Jonathan Carter +1
Using quantum devices supported by classical computational resources is a promising approach to quantum-enabled computation. One example of such a hybrid quantum-classical approach…
Error Sensitivity to Environmental Noise in Quantum Circuits for Chemical State Preparation
Nicolas P. D. Sawaya, Mikhail Smelyanskiy, Jarrod R. McClean +1
Calculating molecular energies is likely to be one of the first useful applications to achieve quantum supremacy, performing faster on a quantum than a classical computer. However,…