Evaluating a quantum-classical quantum Monte Carlo algorithm with Matchgate shadows

B Huang, YT Chen, B Gupt, M Suchara, A Tran… - Physical Review …, 2024 - APS
Solving the electronic structure problem of molecules and solids to high accuracy is a major
challenge in quantum chemistry and condensed matter physics. The rapid emergence and …

Classical and quantum cost of measurement strategies for quantum-enhanced auxiliary field quantum Monte Carlo

M Kiser, A Schroeder, GLR Anselmetti… - New Journal of …, 2024 - iopscience.iop.org
Quantum-enhanced auxiliary field quantum Monte Carlo (QC-AFQMC) uses output from a
quantum computer to increase the accuracy of its classical counterpart. The algorithm …

Spin coupling is all you need: Encoding strong electron correlation in molecules on quantum computers

D Marti-Dafcik, HGA Burton, DP Tew - Physical Review Research, 2025 - APS
The performance of quantum algorithms for eigenvalue problems, such as computing
Hamiltonian spectra, depends strongly on the overlap of the initial wave function and the …