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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; physical state
Subjects: Specific Sciences > Physics > Quantum Mechanics
General Issues > Theory/Observation
Depositing User: Prof. Shan Gao
Date Deposited: 26 Jul 2022 19:51
Last Modified: 26 Jul 2022 19:51
Item ID: 20971
Subjects: Specific Sciences > Physics > Quantum Mechanics
General Issues > Theory/Observation
Date: 26 July 2022
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/20971

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