A PBR-like argument for psi-ontology in terms of protective measurements

Publication Year:
2014
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Repository URL:
http://philsci-archive.pitt.edu/id/eprint/11165
Author(s):
Shan Gao
preprint description
The ontological status of the wave function in quantum mechanics has been analyzed in the context of conventional projective measurements. These analyses are usually based on some nontrivial assumptions, e.g. a preparation independence assumption is needed to prove the PBR theorem. In this paper, we give a PBR-like argument for psi-ontology in terms of protective measurements, by which one can directly measure the expectation values of observables on a single quantum system. The proof does not resort to nontrivial assumptions such as preparation independence assumption.

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