Super-Yang-Mills N=4 theory in light-cone gauge and the "bridge" identities

被引：2

作者：

Bassetto, A. ^{[1
]}

De Pol, G. ^{[1
]}

机构：

[1] Dipartimento Fis G Galilei, I-35131 Padua, Italy

来源：

PHYSICAL REVIEW D | 2008年 / 77卷 / 04期

关键词：

D O I：

10.1103/PhysRevD.77.045001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The light-cone gauge allows one to single out a set of transverse fields (TF), whose Green functions are free from UV divergences in SYM N=4. Green functions with external lines involving the remaining fields do instead exhibit divergences: indeed those fields can be expressed, by solving their equations of motion, as composite operators in terms of transverse fields. A set of exact identities (bridge identities) automatically realize their insertions in a path-integral formulation.

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