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
基金
欧盟地平线“2020”; 新加坡国家研究基金会;
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.
引用
收藏
页数:20
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