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.

引用

页数：11

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