Preprint
Oct 2026
Post-Optimization Subspace Corrections to Quantum Ans\"atze
Identity-augmented q-sc-EOM improves molecular potential-energy curves obtained from truncated ADAPT-VQE ans\"atze with limited expressivity and recovers accuracy from states produced by sampled operator ranking without additional gradient-based operator selection, providing an advantage when small pool gradients make...
P. F. Kwao, Bharath Sambasivam, Jason Saroni et al.
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