Hardware simulations show molecular energies remain size-consistent within chemical accuracy for up to 118 H2 subsystems with one-qubit unitaries and 71 with two-qubit unitaries.
P.; Degroote, M.; Johnson, P
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Noise in LUCJ sampling for QSCI on N2 expands the configuration space beyond the ideal ansatz and, when paired with recovery, produces more accurate CI energies than noiseless sampling.
citing papers explorer
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Size-Consistent Quantum Chemistry on Quantum Computers
Hardware simulations show molecular energies remain size-consistent within chemical accuracy for up to 118 H2 subsystems with one-qubit unitaries and 71 with two-qubit unitaries.
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Noise and Configuration Recovery Impact on Quantum Selected Configuration Interaction
Noise in LUCJ sampling for QSCI on N2 expands the configuration space beyond the ideal ansatz and, when paired with recovery, produces more accurate CI energies than noiseless sampling.