Local renormalizable gauge theories from nonlocal operators

被引：1

作者：

Capri, M. A. L. ^{[1
]}

Lemes, V. E. R. ^{[1
]}

Sobreiro, R. F. ^{[2
]}

Sorella, S. P. ^{[1
]}

Thibes, R. ^{[1
]}

机构：

[1] Univ Estado Rio De Janeiro, BR-20550013 Rio De Janeiro, Brazil

[2] CBPF, BR-22290180 Rio De Janeiro, Brazil

来源：

ANNALS OF PHYSICS | 2008年 / 323卷 / 03期

关键词：

Yang-Mills theories; confinement; BRST symmetry; algebraic renormalization;

D O I：

10.1016/j.aop.2007.07.002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The possibility that nonlocal operators might be added to the Yang-Mills action is investigated. We point out that there exists a class of nonlocal operators which lead to renormalizable gauge theories. These operators turn out to be localizable by means of the introduction of auxiliary fields. The renormializability is thus ensured by the symmetry content exhibited by the resulting local theory. The example of the nonlocal operator Tr integral A(mu)1/D(2)A(mu) is analyzed in detail. A few remarks on the possible role that these operators might have for confining theories are outlined. (C) 2007 Elsevier Inc. All rights reserved.

引用

页码：752 / 767

页数：16

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