Gauge-invariant masses through Schwinger-Dyson equations

被引：0
|
作者：
Bashir, A.
Raya, A.
机构：
[1] Univ Michoacana, Inst Fis Math, Morelia 58040, Michoacan, Mexico
[2] Univ Durham, Inst Particle Phys Phenomenol, Durham DH1 3LE, England
来源：
Quark Confinement and the Hadron Spectrum VII | 2007年 / 892卷
关键词：
Schwinger-Dyson equations; Landau-Khalatnikov-Fradkin transformations; nonperturbative phenomena; dynamical chiral symmetry breaking; QED3;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Schwinger-Dyson equations (SDEs) are an ideal framework to study non-perturbative phenomena such as dynamical chiral symmetry breaking (DCSB). A reliable truncation of these equations leading to gauge invariant results is a challenging problem. Constraints imposed by Landau-Khalatnikov-Fradkin transformations (LKFT) can play an important role in the hunt for physically acceptable truncations. We present these constrains in the context of dynamical mass generation in QED in 2 + 1-dimensions.
引用
收藏
页码：245 / 247
页数：3
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