Gribov Ambiguities in the Maximal Abelian Gauge

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Autore principale: J.A. Gracey
Natura: Artículo científico
Lingua:en
Pubblicazione: Sociedade Brasileira de Física 2007
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author J.A. Gracey
author_facet J.A. Gracey
contents Gribov Ambiguities in the Maximal Abelian Gauge J.A. Gracey M.A.L. Capri R. Thibes D. Dudal V.E.R. Lemes R.F. Sobreiro S.P. Sorella H. Verschelde Física, Astronomía y Matemáticas Yang Confinement Mills theories Gribov ambiguities Maximal Abelian Gauge The effects of the Gribov copies on the gluon and ghost propagators are investigated in SU(2) EuclideanYang-Mills theory quantized in the maximal Abelian gauge. By following Gribov’s original approach, extendedto the maximal Abelian gauge, we are able to show that the diagonal component of the gluon propagator displaysthe characteristic Gribov type behavior. The off-diagonal component is found to be of the Yukawa type, witha dynamical mass originating from the dimension two gluon condensate, which is also taken into account.Furthermore, the off-diagonal ghost propagator exhibits infrared enhancement. Finally, we make a comparisonwith available lattice data. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437225 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.1B Vol.37
format Artículo científico
id redalyc_46437225
institution Redalyc
language en
publishDate 2007
publisher Sociedade Brasileira de Física
spellingShingle Gribov Ambiguities in the Maximal Abelian Gauge
J.A. Gracey
Física, Astronomía y Matemáticas
Yang
Confinement
Mills theories
Gribov ambiguities
Maximal Abelian Gauge
Gribov Ambiguities in the Maximal Abelian Gauge J.A. Gracey M.A.L. Capri R. Thibes D. Dudal V.E.R. Lemes R.F. Sobreiro S.P. Sorella H. Verschelde Física, Astronomía y Matemáticas Yang Confinement Mills theories Gribov ambiguities Maximal Abelian Gauge The effects of the Gribov copies on the gluon and ghost propagators are investigated in SU(2) EuclideanYang-Mills theory quantized in the maximal Abelian gauge. By following Gribov’s original approach, extendedto the maximal Abelian gauge, we are able to show that the diagonal component of the gluon propagator displaysthe characteristic Gribov type behavior. The off-diagonal component is found to be of the Yukawa type, witha dynamical mass originating from the dimension two gluon condensate, which is also taken into account.Furthermore, the off-diagonal ghost propagator exhibits infrared enhancement. Finally, we make a comparisonwith available lattice data. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437225 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.1B Vol.37
title Gribov Ambiguities in the Maximal Abelian Gauge
topic Física, Astronomía y Matemáticas
Yang
Confinement
Mills theories
Gribov ambiguities
Maximal Abelian Gauge
url https://www.redalyc.org/articulo.oa?id=46437225