What kind of a friend is Wigner's?

Published 27 Oct 2019 in quant-ph | (1910.12253v1)

Abstract: Proietti et al. (arXiv:1902.05080) reported on an experiment designed to settle, or at least to throw light upon, the paradox of Wigner's friend. Without questioning the rigor or ingenuity of the experimental protocol, I argue that its relevance to the paradox itself is rather limited.

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Louis Marchildon

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