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Physical Relations or Functional Relations ? A non-metaphysical construal of Rovelli’s Relational Quantum Mechanics

Bitbol, Michel (2007) Physical Relations or Functional Relations ? A non-metaphysical construal of Rovelli’s Relational Quantum Mechanics. [Preprint]

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    Abstract

    Rovelli’s RQM is first characterized by contrast with both Everett’s and Bohr’s interpretations of quantum mechanics. Then, it is shown that a basic difficulty arises from the choice of formulating RQM in a naturalistic framework. Even though, according to Rovelli’s interpretation, statements about the world only make sense relative to certain naturalized observers described by means of quantum mechanics, this very meta-statement seems to make sense relative to a sort of super-observer which does not partake of the naturalized status of ordinary observers. The difficulty is solved by substituting functional reference frames for physical (or naturalized) observers throughout. Instead of being relative to physical observers, statements about the state vector of physical systems are here relative to well-defined projects of probabilistic prediction which may be embodied by several physical observers.


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    Item Type: Preprint
    Keywords: Quantum mechanics, relational interpretation, naturalization, Rovelli, philosophy of physics
    Subjects: Specific Sciences > Physics > Relativity Theory
    General Issues > Realism/Anti-realism
    General Issues > Operationalism/Instrumentalism
    Specific Sciences > Physics > Quantum Mechanics
    Depositing User: Michel Guy Simon Bitbol
    Date Deposited: 11 Sep 2007
    Last Modified: 07 Oct 2010 11:15
    Item ID: 3506
    URI: http://philsci-archive.pitt.edu/id/eprint/3506

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