Quantum theory is not only about information


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Abstract
In his recent book Bananaworld. Quantum mechanics for primates, Jeff Bub revives and provides a mature version of his influential information-theoretic interpretation of Quantum Theory (QT). In this paper, I test Bub’s conjecture that QT should be interpreted as a theory about information, by examining whether his information-theoretic interpretation has the resources to explain (or explain away) quantum conundrums. The discussion of Bub’s theses will also serve to investigate, more in general, whether other approaches succeed in defending the claim that QT is about quantum information. First of all, I argue that Bub’s interpretation of QT as a principle theory fails to fully explain quantum non-locality. Secondly, I argue that a constructive interpretation, where the quantum state is interpreted ontically as information, also fails at providing a full explanation of quantum correlations. Finally, while epistemic interpretations might succeed in this respect, I argue that such a success comes at the price of rejecting some in between the most basic scientific standards of physical theories.
Keywords principle theories  constructive theories  explanation  quantum information theory  explanation of non-locality  psi-ontic/psi-epistemic
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DOI 10.1016/j.shpsb.2018.03.003
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References found in this work BETA

Thinking About Mechanisms.Peter K. Machamer, Lindley Darden & Carl F. Craver - 2000 - Philosophy of Science 67 (1):1-25.
Making Things Happen. A Theory of Causal Explanation.James Woodward - 2007 - Philosophy and Phenomenological Research 74 (1):233-249.
Two Concepts of Causation.Ned Hall - 2004 - In John Collins, Ned Hall & Laurie Paul (eds.), Causation and Counterfactuals. MIT Press. pp. 225-276.

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