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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Comment on "Which-way information in a nested Mach-Zehnder interferometer"

arXiv

Authors: Lev Vaidman

Year

2015

Paper ID

27359

Status

Preprint

Abstract Read

~2 min

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Abstract

Potocek and Ferenczi [Phys. Rev. A 92, 023829 (2015)] provided an analysis of the experimental evidence obtained by Danan et al. [Phys. Rev. Lett. 111, 240402 (2013)] for the surprising behaviour of photons passing through an interferometer, in particular, motion on disconnected paths. Potocek and Ferenczi reproduced the results of the experiment, but when analyzing its modification, they claimed that the reasoning of Danan et al., which led to disconnected paths, is erroneous. It is argued here that the criticism of Potocek and Ferenczi is unfounded.

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Potocek and Ferenczi [Phys.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1509.02388 [2] arXiv https://arxiv.org/abs/1509.02388 [3] Publisher https://arxiv.org/abs/1509.02388

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