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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Detalles Bibliográficos
Autores principales: Freire, F L, Litim, Daniel F, Pawlowski, J M
Lenguaje:eng
Publicado: 2001
Materias:
Particle Physics - Theory
Acceso en línea:https://dx.doi.org/10.1142/S0217751X01004669
http://cds.cern.ch/record/483685
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author Freire, F L
Litim, Daniel F
Pawlowski, J M
author_facet Freire, F L
Litim, Daniel F
Pawlowski, J M
author_sort Freire, F L
collection CERN
description 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.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
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spelling cern-4836852019-09-30T06:29:59Zdoi:10.1142/S0217751X01004669http://cds.cern.ch/record/483685engFreire, F LLitim, Daniel FPawlowski, J MGauge invariance, background fields and modified Ward identitiesParticle Physics - TheoryIn 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.hep-th/0101108CERN-TH-2001-010oai:cds.cern.ch:4836852001
spellingShingle Particle Physics - Theory
Freire, F L
Litim, Daniel F
Pawlowski, J M
Gauge invariance, background fields and modified Ward identities
title Gauge invariance, background fields and modified Ward identities
title_full Gauge invariance, background fields and modified Ward identities
title_fullStr Gauge invariance, background fields and modified Ward identities
title_full_unstemmed Gauge invariance, background fields and modified Ward identities
title_short Gauge invariance, background fields and modified Ward identities
title_sort gauge invariance, background fields and modified ward identities
topic Particle Physics - Theory
url https://dx.doi.org/10.1142/S0217751X01004669
http://cds.cern.ch/record/483685
work_keys_str_mv AT freirefl gaugeinvariancebackgroundfieldsandmodifiedwardidentities
AT litimdanielf gaugeinvariancebackgroundfieldsandmodifiedwardidentities
AT pawlowskijm gaugeinvariancebackgroundfieldsandmodifiedwardidentities

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