On gauge invariance and ward identities
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Daniel F. Litim; Jan M. Pawlowski
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Article
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1999
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Elsevier Science
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English
β 414 KB
We investigate non-Abelian gauge theories within a Wilsonian Renormalisation Group approach. The cut-off t.erm inherent in this approach leads to a modified Ward identity (mW1). It is shown that this mWI is compatible with the Bow and that the full effective action satisfies the usual Ward identity