Preprint
Oct 2026
Quantum-compatible Riemannian conjugate gradient for ground-state preparation
QCGD is introduced, a quantum-compatible implementation of Riemannian conjugate gradient that combines the steepest descent direction with information retained from previous search directions and may offer practical advantages, particularly in the early fault-tolerant regime.
Andres Arcia-Lopez, M. Gluza, Yudai Suzuki et al.
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