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What kind of a friend is Wigner's?

Quantum Physics 2019-10-29 v1

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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Cite

@article{arxiv.1910.12253,
  title  = {What kind of a friend is Wigner's?},
  author = {Louis Marchildon},
  journal= {arXiv preprint arXiv:1910.12253},
  year   = {2019}
}

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6 pages