English

No relation for Wigner's friend

Quantum Physics 2021-06-09 v1 High Energy Physics - Theory History and Philosophy of Physics

Abstract

We argue that Wigner's friend thought experiment does not support observer dependence of quantum states. An analysis in terms of history vectors suggests that quantum collapse is to be understood as collapse of histories rather than collapse of states.

Cite

@article{arxiv.2011.08190,
  title  = {No relation for Wigner's friend},
  author = {Leonardo Castellani},
  journal= {arXiv preprint arXiv:2011.08190},
  year   = {2021}
}

Comments

7 pages, 1 figure

R2 v1 2026-06-23T20:17:39.942Z