Hermens, Ronnie
(2019)
Completely Real?
A Critical Note on the Theorems by Colbeck and Renner.
In: UNSPECIFIED.
Abstract
In a series of papers Colbeck and Renner (2011, 2015a,b) claim to have shown that the quantum state
provides a complete description for the prediction of future measurement outcomes. In this paper I argue
that thus far no solid satisfactory proof has been presented to support this claim. Building on the earlier
work of Landsman (2015) and Leegwater (2016) I highlight the implicit use of an assumption concerning
the way unitary evolution is to be represented in any possible completion of quantum mechanics. I show
that the assumption is quite crucial to the proof of the claim and argue that it is unwarranted. I further
discuss a possible validation for a restricted version of this assumption that is based on considerations of
measurement processes. I argue that also this restricted version is unsatisfactory.
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Completely Real?
A Critical Note on the Theorems by Colbeck and Renner. (deposited 28 Aug 2019 03:14)
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