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A simple proof that the global phase is real

Gao, Shan (2022) A simple proof that the global phase is real. [Preprint]

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Abstract

It is a standard view in quantum mechanics that two wave functions that differ only in the global phase represent the same physical state. In this paper, I argue that this standard view is wrong and the global phase is real in psi-ontic theories such as the de Broglie Bohm theory, the many-worlds interpretation and collapse theories of quantum mechanics.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Gao, Shansgao7319@uni.sydney.edu.au
Keywords: quantum mechanics; global phase; relative phase; physical state; psi-ontic theories
Subjects: Specific Sciences > Physics > Quantum Mechanics
Specific Sciences > Physics > Symmetries/Invariances
Depositing User: Mr. Shan Gao
Date Deposited: 29 Apr 2022 03:46
Last Modified: 29 Apr 2022 03:46
Item ID: 20517
Subjects: Specific Sciences > Physics > Quantum Mechanics
Specific Sciences > Physics > Symmetries/Invariances
Date: 26 April 2022
URI: http://philsci-archive.pitt.edu/id/eprint/20517

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