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.
|Subjects:||Q Science > QC Physics|
|Divisions:||University Structure - Pre August 2011 > School of Physics and Astronomy
|Date Deposited:||13 Aug 2008|
|Last Modified:||24 Sep 2015 09:08|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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