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

页码：245 / 247

页数：3

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