Running coupling in Yang-Mills theory: A flow equation study

被引：122

作者：

Gies, H ^{[1
]}

机构：

[1] CERN, Div Theory, CH-1211 Geneva 23, Switzerland

来源：

PHYSICAL REVIEW D | 2002年 / 66卷 / 02期

关键词：

D O I：

10.1103/PhysRevD.66.025006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The effective average action of Yang-Mills theory is analyzed in the framework of exact renormalization group flow equations. Employing the background-field method and using a cutoff that is adjusted to the spectral flow, the running of the gauge coupling is obtained on all scales. In four dimensions and for the gauge groups SU(2) and SU(3), the coupling approaches a fixed point in the infrared.

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页数：19

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