Scalar-graviton amplitudes

被引：24
|
作者：
Bjerrum-Bohr, N. E. J. [1 ,2 ]
Cristofoli, Andrea [1 ,2 ]
Damgaard, Poul H. [1 ,2 ]
Gomez, Humberto [1 ,2 ,3 ]
机构：
[1] Univ Copenhagen, Niels Bohr Int Acad, Blegdamsvej 17, DK-2100 Copenhagen, Denmark
[2] Univ Copenhagen, Discovery Ctr, Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen, Denmark
[3] Basicas Univ, Fac Ciencias, Calle 5 62-00 Barrio Pampalinda, Cali, Valle, Colombia
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2019年 / 2019卷 / 11期
基金：
新加坡国家研究基金会; 欧盟地平线“2020”;
关键词：
Scattering Amplitudes; Duality in Gauge Field Theories; Field Theories in Higher Dimensions;
D O I：
10.1007/JHEP11(2019)148
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Using the CHY-formalism and its extension to a double cover we provide covariant expressions for tree-level amplitudes with two massive scalar legs and an arbitrary number of gravitons in D dimensions. Using unitarity methods, such amplitudes are needed inputs for the computation of post-Newtonian and post-Minkowskian expansions in classical general relativity.
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收藏
页数：20
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