A VQE-based quantum algorithm recovers the spectrum of the inner-region Hamiltonian for electron-H2 scattering on a simulator and encodes the R-matrix boundary amplitudes in the optimized circuit parameters.
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QPDE applied to 2- and 3-spin Heisenberg models on IBM processors yields 85-93% accuracy versus classical values after noise mitigation.
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Electron-molecule scattering via R-matrix variational algorithms on a quantum computer
A VQE-based quantum algorithm recovers the spectrum of the inner-region Hamiltonian for electron-H2 scattering on a simulator and encodes the R-matrix boundary amplitudes in the optimized circuit parameters.
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Applications of the Quantum Phase Difference Estimation Algorithm to the Excitation Energies in Spin Systems on a NISQ Device
QPDE applied to 2- and 3-spin Heisenberg models on IBM processors yields 85-93% accuracy versus classical values after noise mitigation.