The gauge invariant ERG
The gauge invariant ERG
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.
Rosten, O.J.
95c3cb59-35ca-434b-a35a-9142fd6c417f
Morris, T.R.
a9927d31-7a12-4188-bc35-1c9d3a03a6a6
Arnone, S.
5df04071-e71a-49fc-8116-20689b579cba
2004
Rosten, O.J.
95c3cb59-35ca-434b-a35a-9142fd6c417f
Morris, T.R.
a9927d31-7a12-4188-bc35-1c9d3a03a6a6
Arnone, S.
5df04071-e71a-49fc-8116-20689b579cba
Rosten, O.J., Morris, T.R. and Arnone, S.
(2004)
The gauge invariant ERG.
High Energy Physics - Theory.
Abstract
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.
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Published date: 2004
Additional Information:
arXiv:hep-th/0409042v1
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Local EPrints ID: 57575
URI: http://eprints.soton.ac.uk/id/eprint/57575
PURE UUID: 43ca91b8-7f01-488f-b4a3-95e60f2d857b
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Date deposited: 13 Aug 2008
Last modified: 12 Dec 2021 02:36
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Author:
O.J. Rosten
Author:
S. Arnone
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