A No-Go Theorem for Observer-Independent Facts

In his famous thought experiment, Wigner assigns an entangled state to the composite quantum system made up of Wigner’s friend and her observed system. While the two of them have different accounts of the process, each Wigner and his friend can in principle verify his/her respective state...

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Bibliographic Details
Main Author: Časlav Brukner
Format: Article
Language:English
Published: MDPI AG 2018-05-01
Series:Entropy
Subjects:
Online Access:http://www.mdpi.com/1099-4300/20/5/350