On gauge invariant Wilsonian flows

We investigate non-Abelian gauge theories within a Wilsonian Renormalisation Group approach. Our main question is: How close can one get to a gauge invariant flow, despite the fact that a Wilsonian coarse-graining seems to be incompatible with gauge invariance? We discuss the possible options in the...

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Hauptverfasser: Litim, Daniel F. (VerfasserIn) , Pawlowski, Jan M. (VerfasserIn)
Dokumenttyp: Article (Journal) Kapitel/Artikel
Sprache:Englisch
Veröffentlicht: 1999
In: Arxiv

Online-Zugang:Verlag, kostenfrei, Volltext: http://arxiv.org/abs/hep-th/9901063
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Verfasserangaben:Daniel F. Litim, Departament ECM & IFAE, Facultat de F́ısica, Universitat de Barcelona Diagonal 647, E-08028 Barcelona, Spain; Jan M. Pawlowski, Dublin Institute for Advanced Studies, 10 Burlington Road, Dublin 4, Ireland
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Zusammenfassung:We investigate non-Abelian gauge theories within a Wilsonian Renormalisation Group approach. Our main question is: How close can one get to a gauge invariant flow, despite the fact that a Wilsonian coarse-graining seems to be incompatible with gauge invariance? We discuss the possible options in the case of quantum fluctuations, and argue that for thermal fluctuations a fully gauge invariant implementation can be obtained.
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