Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-07-06
Phys.Rev. D72 (2005) 085021
Physics
High Energy Physics
High Energy Physics - Theory
25 pages, 2 figures. Version accepted for publication in Phys.Rev.D. Added references
Scientific paper
10.1103/PhysRevD.72.085021
The effects of the Gribov copies on the gluon and ghost propagators are investigated in SU(2) Euclidean Yang-Mills theory quantized in the maximal Abelian gauge. The diagonal component of the gluon propagator displays the characteristic Gribov type behavior. The off-diagonal component of the gluon propagator is found to be of the Yukawa type, with a dynamical mass originating from the dimension two condensate , which is also taken into account. Finally, the off-diagonal ghost propagator exhibits infrared enhancement.
Capri M. A. L.
Lemes V. E. R.
Sobreiro R. F.
Sorella Silvio Paolo
Thibes Ronaldo
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