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Original Research
Published 11 August 2026
Bayesian quantum phase estimation beyond the eigenstate approximation: sample complexity, Cramér–Rao bounds, and adaptive measurement design for non-eigenstate and mixed-state inputs on NISQ devices
B Akoramurthy · B Surendiran · Xiaochun Cheng · Mohanty SN
Frontiers in Quantum Science and Technology
doi 10.3389/frqst.2026.1862834