The post-selected meter distribution decomposes into a Bayesian update and a negative diffusion term; a cosine meter can expose the intrinsic Ozawa-Hall uncertainty directly.
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The "anomalous" values of C. Ferrie and J. Combes in Phys. Rev. Lett. 113, 120404 (2014) say nothing about quantum - or even classical - physics. They are not analogues of the weak values that emerge when we describe the quantum world via an initial state evolving forwards in time and a final state evolving backwards in time, and couple this world weakly to realistic measuring devices.
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What meter interference can tell us about the statistics of weak measurements
The post-selected meter distribution decomposes into a Bayesian update and a negative diffusion term; a cosine meter can expose the intrinsic Ozawa-Hall uncertainty directly.