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All quantum mixtures are proper

Castellani, Leonardo (2022) All quantum mixtures are proper. [Preprint]

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Abstract

It is argued that proper and improper quantum mixed states have no observable differences, and hence should not be distinguished. This has implications for subjective approaches to quantum mechanics, and invalidates one of the main motivations for relational interpretations of QM.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Castellani, Leonardo0000-0002-7954-5622
Keywords: quantum mechanics, quantum measurement, reduced density matrix, proper quantum mixtures
Subjects: Specific Sciences > Physics > Quantum Mechanics
Depositing User: Dr. Leonardo Castellani
Date Deposited: 15 Jan 2022 14:15
Last Modified: 15 Jan 2022 14:15
Item ID: 20113
Subjects: Specific Sciences > Physics > Quantum Mechanics
Date: 13 January 2022
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/20113

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