Amplitudes and ultraviolet behavior of N=8 supergravity

被引：48
作者：
Bern, Zvi [2 ]
Carrasco, John Joseph [3 ]
Dixon, Lance J. [1 ,4 ]
Johansson, Henrik [5 ]
Roiban, Radu [6 ]
机构：
[1] CERN, Dept Phys, Theory Grp, CH-1211 Geneva 23, Switzerland
[2] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
[3] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
[4] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94309 USA
[5] CEA Saclay, Inst Phys Theor, F-91191 Gif Sur Yvette, France
[6] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
来源：
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS | 2011年 / 59卷 / 7-8期
基金：
美国国家科学基金会;
关键词：
Supergravity; amplitudes; divergences; ONE-LOOP AMPLITUDES; GAUGE-THEORY; YANG-MILLS; RENORMALIZABILITY PROPERTIES; ANALYTIC PROPERTIES; TREE AMPLITUDES; GRAVITY; COUNTERTERMS; DIVERGENCES; FINITENESS;
D O I：
10.1002/prop.201100037
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this contribution we describe computational tools that permit the evaluation of multi-loop scattering amplitudes in N = 8 supergravity, in terms of amplitudes in N = 4 super-Yang-Mills theory. We also discuss the remarkable ultraviolet behavior of N = 8 supergravity, which follows from these amplitudes, and is as good as that of N = 4 super-Yang-Mills theory through at least four loops. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：561 / 578
页数：18
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