Improving broken-symmetry trial wavefunctions in phaseless AFQMC for Fe-S clusters can worsen energy accuracy until high fidelity, linked to measurement trial selection and suggesting error cancellation in HF-based results.
Classical and quantum cost of measurement strategies for quantum-enhanced auxiliary field quantum
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Can phaseless auxiliary-field quantum Monte Carlo with broken symmetry trials describe iron-sulfur clusters?
Improving broken-symmetry trial wavefunctions in phaseless AFQMC for Fe-S clusters can worsen energy accuracy until high fidelity, linked to measurement trial selection and suggesting error cancellation in HF-based results.