a-function for N=2 supersymmetric gauge theories in three dimensions

被引：5
|
作者：
Gracey, J. A. [1 ]
Jack, I. [1 ]
Poole, C. [1 ]
Schroder, Y. [2 ]
机构：
[1] Univ Liverpool, Dept Math Sci, Liverpool L69 3BX, Merseyside, England
[2] Univ Bio Bio, Grp Fis Altas Energias, Casilla 447, Chillan, Chile
来源：
PHYSICAL REVIEW D | 2017年 / 95卷 / 02期
关键词：
RENORMALIZABLE FIELD-THEORIES; MULTILOOP FEYNMAN-INTEGRALS; C-THEOREM; DIFFERENCE-EQUATIONS; MATTER; SYSTEMS;
D O I：
10.1103/PhysRevD.95.025005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Recently, the existence of a candidate a-function for renormalizable theories in three dimensions was demonstrated for a general theory at leading order and for a scalar-fermion theory at next-to-leading order. Here we extend this work by constructing the a-function at next-to-leading order for an N = 2 supersymmetric Chern-Simons theory. This increase in precision for the a-function necessitated the evaluation of the underlying renormalization-group functions at four loops.
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收藏
页数：11
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