Gauge invariance, background fields and modified Ward identities
In this talk the gauge symmetry for Wilsonian flows in pure Yang-Mills theories is discussed. 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 auxilia...
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| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
2001
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| In: |
Arxiv
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| Online-Zugang: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/hep-th/0101108 |
| Verfasserangaben: | F. Freire, School of Theoretical Physics, Dublin Institute for Advanced Studies, 10 Burlington Road, Dublin 4, Ireland; D.F. Litim, Theory Division, CERN, CH-1211 Geneva 23, Switzerland; J.M. Pawlowski, Institut für Theoretische Physik III, Universität Erlangen-Nürnberg, Staudtstraße 7, D-91058 Erlangen, Germany |
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| 245 | 1 | 0 | |a Gauge invariance, background fields and modified Ward identities |c F. Freire, School of Theoretical Physics, Dublin Institute for Advanced Studies, 10 Burlington Road, Dublin 4, Ireland; D.F. Litim, Theory Division, CERN, CH-1211 Geneva 23, Switzerland; J.M. Pawlowski, Institut für Theoretische Physik III, Universität Erlangen-Nürnberg, Staudtstraße 7, D-91058 Erlangen, Germany |
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| 520 | |a In this talk the gauge symmetry for Wilsonian flows in pure Yang-Mills theories is discussed. 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. Modified Ward-Takahashi and background field identities are used in my study. Finally it is shown how the symmetry properties of the full theory are restored in the limit where the cut-off is removed. | ||
| 650 | 4 | |a High Energy Physics - Phenomenology | |
| 650 | 4 | |a High Energy Physics - Theory | |
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| 700 | 1 | |a Pawlowski, Jan M. |d 1965- |e VerfasserIn |0 (DE-588)1047077388 |0 (DE-627)777525925 |0 (DE-576)400331381 |4 aut | |
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