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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页数：9
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