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Time and Structure in Canonical Gravity

Rickles, Dean (2004) Time and Structure in Canonical Gravity. [Preprint]

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    Abstract

    In this paper I wish to make some headway on understanding what \emph{kind} of problem the ``problem of time'' is, and offer a possible resolution---or, rather, a new way of understanding an old resolution. The response I give is a variation on a theme of Rovelli's \emph{evolving constants of motion} strategy (more generally: correlation strategies). I argue that by giving correlation strategies a \emph{structuralist} basis, a number of objections to the standard account can be blunted. Moreover, I show that the account I offer provides a suitable ontology for time (and space) in both classical and quantum canonical general relativity.

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    Item Type: Preprint
    Additional Information: Expanded version of a paper to appear in S. French, D. Rickles, and J. Saatsi (eds.), ``The Structural Foundations of Quantum Gravity'' (forthcoming: Oxford University Press).
    Keywords: Quantum gravity, structural realism, spacetime, general relativity
    Subjects: Specific Sciences > Physics > Cosmology
    Specific Sciences > Physics > Relativity Theory
    General Issues > Realism/Anti-realism
    Specific Sciences > Physics > Quantum Field Theory
    Depositing User: Dean Rickles
    Date Deposited: 22 Jul 2004
    Last Modified: 07 Oct 2010 11:12
    Item ID: 1845
    URI: http://philsci-archive.pitt.edu/id/eprint/1845

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