Wigner's friend's memory and the no-signaling principle

The Wigner's friend experiment is a thought experiment in which a so-called superobserver (Wigner) observes another observer (the friend) who has performed a quantum measurement on a physical system. In this setup Wigner treats the friend, the system and potentially other degrees of freedom inv...

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Bibliographic Details
Main Authors: Veronika Baumann, Časlav Brukner
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2024-09-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2024-09-25-1481/pdf/
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