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Measurement Outcomes and Probability in Everettian Quantum Mechanics

Baker, David (2006) Measurement Outcomes and Probability in Everettian Quantum Mechanics. [Preprint]

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    Abstract

    The decision-theoretic account of probability in the Everett or many-worlds interpretation, advanced by David Deutsch and David Wallace, is shown to be circular. Talk of probability in Everett presumes the existence of a preferred basis to identify measurement outcomes for the probabilities to range over. But the existence of a preferred basis can only be established by the process of decoherence, which is itself probabilistic.


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    Item Type: Preprint
    Commentary on: Wallace, David(2002) Quantum Probability and Decision Theory, Revisited. [Preprint]
    Additional Information: Forthcoming in Studies in History and Philosophy of Modern Physics.
    Keywords: Everett interpretation Many worlds Decoherence Probability
    Subjects: Specific Sciences > Probability/Statistics
    General Issues > Decision Theory
    Specific Sciences > Physics > Quantum Mechanics
    Depositing User: David Baker
    Date Deposited: 21 May 2006
    Last Modified: 07 Oct 2010 11:14
    Item ID: 2717
    URI: http://philsci-archive.pitt.edu/id/eprint/2717

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