Gauge Invariance and Background Field Formalism in the Exact Renormalisation Group

Freire, F. and Litim, D.F. and Pawlowski, J. M. (2000) Gauge Invariance and Background Field Formalism in the Exact Renormalisation Group. (Preprint)

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Abstract

We discuss gauge symmetry and Ward-Takahashi identities for Wilsonian flows in pure Yang-Mills theories. The background field formalism is used for the construction of a gauge invariant effective action. The symmetries of the effective action under gauge transformations for both the gauge field and the auxiliary background field are separately evaluated. We examine how the symmetry properties of the full theory are restored in the limit where the cut-off is removed.

Item Type: Article
Divisions: School of Theoretical Physics > Preprints
Date Deposited: 13 Jul 2018 14:19
Last Modified: 18 Dec 2022 08:37
URI: https://dair.dias.ie/id/eprint/589

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