期刊
PHYSICAL REVIEW D
卷 84, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.84.065039
关键词
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资金
- Research-Foundation Flanders (FWO Vlaanderen)
- Faperj, Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro [E-26/100.615/2007]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq-Brazil)
- SR2-UERJ
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
In recent years, the Gribov-Zwanziger action was refined by taking into account certain dimension 2 condensates. In this fashion, one succeeded in bringing the gluon and the ghost propagator obtained from the Gribov-Zwanziger model in qualitative and quantitative agreement with the lattice data. In this paper, we shall elaborate further on this aspect. First, we shall show that more dimension 2 condensates can be taken into account than considered so far and, in addition, we shall give firm evidence that these condensates are in fact present by discussing the effective potential. It follows thus that the Gribov-Zwanziger action dynamically transforms itself into the refined version, thereby showing that the continuum nonperturbative Landau gauge fixing, as implemented by the Gribov-Zwanziger approach, is consistent with lattice simulations.
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