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If the global phase is real

Gao, Shan (2022) If the global phase is real. [Preprint]

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Abstract

The ontological meaning of the wave function has been debated for many years. A widely-discussed view is wave function realism, according to which the wave function represents a real physical field in a fundamental high-dimensional space. In this paper, I argue that wave function realism is inconsistent with the reality of the global phase. In other words, the global phase cannot be real in wave function realism, and if the global phase is real, then wave function realism will be not true. Moreover, if the global phase is real, then the wave function of an $N$-body system cannot represent a single physical entity, either in a high-dimensional space or in three-dimensional space,
but represent $N$ physical entities in three-dimensional space.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Gao, Shansgao7319@uni.sydney.edu.au
Keywords: wave function realism; global phase; high-dimensional space; fields; particles
Subjects: Specific Sciences > Physics > Fields and Particles
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Prof. Shan Gao
Date Deposited: 09 Jul 2022 12:18
Last Modified: 09 Jul 2022 12:18
Item ID: 20867
Subjects: Specific Sciences > Physics > Fields and Particles
Specific Sciences > Physics > Quantum Mechanics
Date: 9 July 2022
URI: http://philsci-archive.pitt.edu/id/eprint/20867

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