Hardware-assisted sample-based quantum diagonalization reproduces CCSD-quality ground-state energies for HeH+, ArH+, and H2O, with deviations from exact active-space CASCI of 0.00, 2.51, and 6.34 mHa respectively.
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Ground-State Energy Estimation of HeH$^{+}$, ArH$^{+}$, and H$_2$O via Sample-Based Quantum Diagonalization
Hardware-assisted sample-based quantum diagonalization reproduces CCSD-quality ground-state energies for HeH+, ArH+, and H2O, with deviations from exact active-space CASCI of 0.00, 2.51, and 6.34 mHa respectively.