N ≥ 4 supergravity amplitudes from gauge theory at one loop

被引：93

作者：

Bern, Z. ^{[1
]}

Boucher-Veronneau, C. ^{[2
]}

Johansson, H. ^{[3
]}

机构：

[1] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[2] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94309 USA

[3] CEA Saclay, Inst Phys Theor, F-91191 Gif Sur Yvette, France

来源：

PHYSICAL REVIEW D | 2011年 / 84卷 / 10期

基金：

欧洲研究理事会; 加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

YANG-MILLS; SCATTERING-AMPLITUDES; TREE AMPLITUDES; FIELD-THEORIES; GRAVITY;

D O I：

10.1103/PhysRevD.84.105035

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We expose simple and practical relations between the integrated four- and five-point one-loop amplitudes of N >= 4 supergravity and the corresponding (super-)Yang-Mills amplitudes. The link between the amplitudes is simply understood using the recently uncovered duality between color and kinematics that leads to a double-copy structure for gravity. These examples provide additional direct confirmations of the duality and double-copy properties at loop level for a sample of different theories.

引用

页数：14

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