Leif, Hancox-Li (2014) Coarse-Graining as a Route to Microscopic Physics: The Renormalization Group in Quantum Field Theory. Philosophy of Science.

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Abstract

The renormalization group (RG) has been characterized as merely a coarse-graining procedure that does not illuminate the microscopic content of quantum field theory (QFT), but merely gets us from that content, as given by axiomatic QFT, to macroscopic predictions. I argue that in the constructive field theory tradition, RG techniques do illuminate the microscopic dynamics of a QFT, which are not automatically given by axiomatic QFT. RG techniques in constructive field theory are also rigorous, so one cannot object to their foundational import on grounds of lack of rigor.

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Item Type:	Published Article or Volume
Creators:	Creators Email ORCID Leif, Hancox-Li bihuili@usc.edu
Keywords:	quantum field theory, foundations, physics
Subjects:	Specific Sciences > Physics > Quantum Field Theory
Depositing User:	Leif Hancox-Li
Date Deposited:	07 Jul 2016 15:19
Last Modified:	07 Jul 2016 15:19
Item ID:	12268
Journal or Publication Title:	Philosophy of Science
Subjects:	Specific Sciences > Physics > Quantum Field Theory
Date:	2014
URI:	https://philsci-archive.pitt.edu/id/eprint/12268

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• Coarse-Graining as a Route to Microscopic Physics: The Renormalization Group in Quantum Field Theory. (deposited 25 Jun 2014 11:51)
  • Coarse-Graining as a Route to Microscopic Physics: The Renormalization Group in Quantum Field Theory. (deposited 07 Jul 2016 15:19) [Currently Displayed]

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