Analyzing Dynamical Gluon Mass Generation
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| Natura: | Artículo científico |
| Lingua: | en |
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Sociedade Brasileira de Física
2007
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| _version_ | 1876424703560646656 |
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| author | Arlene C. Aguilar |
| author_facet | Arlene C. Aguilar |
| contents | Analyzing Dynamical Gluon Mass Generation Arlene C. Aguilar Joannis Papavassiliou Física, Astronomía y Matemáticas Schwinger Dyson equations Pinch technique Gluon propagator Running coupling We study the necessary conditions for obtaining infrared finite solutions from the Schwinger-Dyson equationgoverning the dynamics of the gluon propagator. The equation in question is set up in the Feynman gauge of thebackground field method, thus capturing a number of desirable features. Most notably, and in contradistinctionto the standard formulation, the gluon self-energy is transverse order-by-order in the dressed loop expansion,and separately for gluonic and ghost contributions. Various subtle field-theoretic issues, such as renormalizationgroup invariance and regularization of quadratic divergences, are briefly addressed. The infrared and ultravioletproperties of the obtained solutions are examined in detail, and the allowed range for the effective gluon massis presented. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437213 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_46437213 |
| institution | Redalyc |
| language | en |
| publishDate | 2007 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Analyzing Dynamical Gluon Mass Generation Arlene C. Aguilar Física, Astronomía y Matemáticas Schwinger Dyson equations Pinch technique Gluon propagator Running coupling Analyzing Dynamical Gluon Mass Generation Arlene C. Aguilar Joannis Papavassiliou Física, Astronomía y Matemáticas Schwinger Dyson equations Pinch technique Gluon propagator Running coupling We study the necessary conditions for obtaining infrared finite solutions from the Schwinger-Dyson equationgoverning the dynamics of the gluon propagator. The equation in question is set up in the Feynman gauge of thebackground field method, thus capturing a number of desirable features. Most notably, and in contradistinctionto the standard formulation, the gluon self-energy is transverse order-by-order in the dressed loop expansion,and separately for gluonic and ghost contributions. Various subtle field-theoretic issues, such as renormalizationgroup invariance and regularization of quadratic divergences, are briefly addressed. The infrared and ultravioletproperties of the obtained solutions are examined in detail, and the allowed range for the effective gluon massis presented. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437213 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 | Analyzing Dynamical Gluon Mass Generation |
| topic | Física, Astronomía y Matemáticas Schwinger Dyson equations Pinch technique Gluon propagator Running coupling |
| url | https://www.redalyc.org/articulo.oa?id=46437213 |