Comment on the MS "Null weak values and the past of quantum particle" by Q.Duprey and A.Matzkin
Abstract
In a recent paper Matz, Duprey and Matzin investigeated the meaning of vanishing "weak values" (WV), and their role in the retrodiction of the past of a pre- and post-selected quantum system in the presence of interference. Here we argue that any proposition, regarding the WV values, should be understood as a statement about the probability amplitudes, and revisit some of the conclusions reached in Matz.
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