Relational Analysis of the Frauchiger–Renner Paradox and Interaction-Free Detection of Records from the Past

Marijn Waaijer; Jan van Neerven

doi:10.1007/s10701-021-00413-4

Relational Analysis of the Frauchiger–Renner Paradox and Interaction-Free Detection of Records from the Past

Marijn Waaijer, Jan van Neerven^*

^*Corresponding author for this work

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Abstract

We present an analysis of the Frauchiger–Renner Gedankenexperiment from the point of view of the relational interpretation of quantum mechanics. Our analysis shows that the paradox obtained by Frauchiger and Renner disappears if one rejects promoting one agent’s certainty to another agent’s certainty when it cannot be validated by records from the past. A by-product of our analysis is an interaction-free detection scheme for the existence of such records.

Original language	English
Article number	45
Pages (from-to)	1-18
Number of pages	18
Journal	Foundations of Physics
Volume	51
Issue number	2
DOIs	https://doi.org/10.1007/s10701-021-00413-4
Publication status	Published - 2021

Keywords

Frauchiger–Renner paradox
interaction-free detection
records from the past
Relational interpretation of quantum mechanics
Wigner’s friend

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10.1007/s10701-021-00413-4

Waaijer-Neerven2021_Article_RelationalAnalysisOfTheFrauchiFinal published version, 980 KBLicence: CC BY

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Relational Analysis of the Frauchiger–Renner Paradox and Interaction-Free Detection of Records from the Past

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Keywords

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