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Quantum advantage in postselected metrology

Physics

Quantum advantage in postselected metrology

D. R. M. Arvidsson-shukur, N. Y. Halpern, et al.

Explore the groundbreaking research by David R. M. Arvidsson-Shukur, Nicole Yunger Halpern, Hugo V. Lepage, Aleksander A. Lasek, Crispin H. W. Barnes, and Seth Lloyd. Their work reveals how postselection can dramatically enhance Fisher information in parameter-estimation experiments, leveraging negative quasiprobabilities to achieve remarkable information-cost rates unattainable by classical theories.

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