Flavio Salvati

Comment on “Saturating quantum advantages in postselected metrology with the positive Kirkwood-Dirac distribution”

2024 · Physical Review A

In a recent paper [Das, Modak, and Bera, Phys. Rev. A 107, 042413 (2023)], Das et al. claim that Kirkwood-Dirac negativity is not required to achieve anomalous values of the quantum Fisher information encoded in …