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To Quantize or Not to Quantize: Fact and Folklore in Quantum Gravity

Wuthrich, Christian (2004) To Quantize or Not to Quantize: Fact and Folklore in Quantum Gravity. In: [2004] Philosophy of Science Assoc. 19th Biennial Meeting - PSA2004: Contributed Papers (Austin, TX; 2004) > PSA 2004 Contributed Papers. (In Press)

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    Abstract

    Does the need to find a quantum theory of gravity imply that the gravitational field must be quantized? Physicists working in quantum gravity routinely assume an affirmative answer, often without being aware of the metaphysical commitments that tend to underlie this assumption. The ambition of this article is to probe these commitments and to analyze some recently adduced arguments pertinent to the issue of quantization. While there exist good reasons to quantize gravity, as this analysis will show, alternative approaches to gravity challenge the received wisdom. These renegade approaches do not regard gravity as a fundamental force, but rather as effective, i.e. as merely supervening on fundamental physics. I will urge that these alternative accounts at least prove the tenability of an opposition to quantization.


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    Item Type: Conference or Workshop Item (UNSPECIFIED)
    Keywords: quantum gravity, quantization
    Subjects: Specific Sciences > Physics
    Specific Sciences > Physics > Quantum Gravity
    Specific Sciences > Physics > Quantum Field Theory
    Specific Sciences > Physics > Relativity Theory
    Conferences and Volumes: [2004] Philosophy of Science Assoc. 19th Biennial Meeting - PSA2004: Contributed Papers (Austin, TX; 2004) > PSA 2004 Contributed Papers
    Depositing User: Christian Wuthrich
    Date Deposited: 30 Sep 2004
    Last Modified: 07 Jun 2014 18:03
    Item ID: 1972
    Public Domain: No
    URI: http://philsci-archive.pitt.edu/id/eprint/1972

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