Schwinger-Dyson equations and dynamical gluon mass generation

被引：0
|
作者：
Aguilar, AC [1 ]
Natale, AA [1 ]
机构：
[1] Univ Valencia, Dept Fis Teor, CSIC, E-46100 Valencia, Spain
来源：
QUARK CONFINEMENT AND THE HADRON SPECTRUM VI | 2005年 / 756卷
关键词：
nonperturbative QCD; Gluon Schwinger-Dyson equation; infrared gluon propagator;
D O I：
暂无
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We discuss the solutions obtained for the gluon propagador in Landau gauge within two distinct approximations for the Schwinger-Dyson equations (SDE). The first, named Mandelstam's approximation, consist in neglecting all contributions that come from fermions and ghosts fields while in the second, the ghosts fields are taken into account leading to a coupled system of integral equations. In both cases we show that a dynamical mass for the gluon propagator can arise as a solution.
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收藏
页码：327 / 329
页数：3
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