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Protective measurements and the reality of the wave function

Gao, Shan (2014) Protective measurements and the reality of the wave function. [Preprint]

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Abstract

The ontological status of the wave function in quantum mechanics is usually analyzed in the context of conventional impulsive measurements. These analyses are always based on some nontrivial assumptions, e.g. a preparation independence assumption is needed to prove the PBR theorem. In this paper, we point out that the reality of the wave function can be argued without resorting to nontrivial assumptions by analyzing protective measurements, by which one can measure the expectation values of observables on a single quantum system. The existing objections to this argument are answered. Moreover, we also give a PBR-like argument for the reality of the wave function in terms of protective measurements.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Gao, Shansgao7319@uni.sydney.edu.au
Keywords: wave function; protective measurement; reality; PBR theorem
Subjects: Specific Sciences > Physics > Quantum Mechanics
General Issues > Realism/Anti-realism
Depositing User: Dr. Shan Gao
Date Deposited: 24 Sep 2014 14:08
Last Modified: 24 Sep 2014 14:08
Item ID: 11043
Subjects: Specific Sciences > Physics > Quantum Mechanics
General Issues > Realism/Anti-realism
Date: 24 September 2014
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/11043

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