Influence of the Gribov copies on the gluon and ghost propagators in Euclidean Yang-Mills theory in the maximal Abelian gauge

被引：34
|
作者：
Capri, MAL [1 ]
Lemes, VER [1 ]
Sobreiro, RF [1 ]
Sorella, SP [1 ]
Thibes, R [1 ]
机构：
[1] Univ Estado Rio de Janeiro, BR-20550013 Rio De Janeiro, Brazil
来源：
PHYSICAL REVIEW D | 2005年 / 72卷 / 08期
关键词：
D O I：
10.1103/PhysRevD.72.085021
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 < A(mu)(a)A(mu)(a)>, which is also taken into account. Finally, the off-diagonal ghost propagator exhibits infrared enhancement.
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页数：14
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