Gribov Ambiguities in the Maximal Abelian Gauge
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| Natura: | Artículo científico |
| Lingua: | en |
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Sociedade Brasileira de Física
2007
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| _version_ | 1876468435609714688 |
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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 Gribovs 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 Gribovs 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 |