The gauge invariant ERG

Rosten, O.J., Morris, T.R. and Arnone, S. (2004) The gauge invariant ERG. High Energy Physics - Theory


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We sketch the construction of a gauge invariant Exact Renormalization Group (ERG). Starting from Polchinski's equation, the emphasis is on how a series of ideas have combined to yield the gauge invariant formalism. A novel symmetry of the ERG allows the flow equation to be modified, in such a way that it is suitable for the computation of the (universal) two-loop beta-function. This computation has now been performed, within the framework of the ERG and, as such, in a manifestly gauge invariant way for the very first time.

Item Type: Article
Additional Information: arXiv:hep-th/0409042v1
Related URLs:
Subjects: Q Science > QC Physics
Divisions : University Structure - Pre August 2011 > School of Physics and Astronomy
ePrint ID: 57575
Accepted Date and Publication Date:
Date Deposited: 13 Aug 2008
Last Modified: 31 Mar 2016 12:38

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