Note on soft graviton theorem by KLT relation

Yijian Du; Bo Feng; Chih-Hao Fu; Yihong Wang

doi:10.1007/JHEP11(2014)090

Note on soft graviton theorem by KLT relation

Yijian Du, Bo Feng, Chih-Hao Fu, Yihong Wang

Theoretical Particle Physics

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34 Citations (SciVal)

Abstract

Recently, new soft graviton theorem proposed by Cachazo and Strominger has inspired a lot of works. In this note, we use the KLT-formula to investigate the theorem. We have shown how the soft behavior of color ordered Yang-Mills amplitudes can be combined with KLT relation to give the soft behavior of gravity amplitudes. As a byproduct, we find two nontrivial identities of the KLT momentum kernel must hold.

Original language	English
Article number	090
Journal	Journal of High Energy Physics
Issue number	11
DOIs	https://doi.org/10.1007/JHEP11(2014)090
Publication status	Published - 2014

Subject classification (UKÄ)

Subatomic Physics

Keywords

Scattering Amplitudes
Strong Coupling Expansion
Duality in Gauge Field
Theories
Gauge Symmetry

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10.1007/JHEP11(2014)090

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abstract = "Recently, new soft graviton theorem proposed by Cachazo and Strominger has inspired a lot of works. In this note, we use the KLT-formula to investigate the theorem. We have shown how the soft behavior of color ordered Yang-Mills amplitudes can be combined with KLT relation to give the soft behavior of gravity amplitudes. As a byproduct, we find two nontrivial identities of the KLT momentum kernel must hold.",

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T1 - Note on soft graviton theorem by KLT relation

AU - Du, Yijian

AU - Feng, Bo

AU - Fu, Chih-Hao

AU - Wang, Yihong

PY - 2014

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N2 - Recently, new soft graviton theorem proposed by Cachazo and Strominger has inspired a lot of works. In this note, we use the KLT-formula to investigate the theorem. We have shown how the soft behavior of color ordered Yang-Mills amplitudes can be combined with KLT relation to give the soft behavior of gravity amplitudes. As a byproduct, we find two nontrivial identities of the KLT momentum kernel must hold.

AB - Recently, new soft graviton theorem proposed by Cachazo and Strominger has inspired a lot of works. In this note, we use the KLT-formula to investigate the theorem. We have shown how the soft behavior of color ordered Yang-Mills amplitudes can be combined with KLT relation to give the soft behavior of gravity amplitudes. As a byproduct, we find two nontrivial identities of the KLT momentum kernel must hold.

KW - Scattering Amplitudes

KW - Strong Coupling Expansion

KW - Duality in Gauge Field

KW - Theories

KW - Gauge Symmetry

U2 - 10.1007/JHEP11(2014)090

DO - 10.1007/JHEP11(2014)090

M3 - Article

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 11

M1 - 090

ER -

Note on soft graviton theorem by KLT relation

Abstract

Subject classification (UKÄ)

Keywords

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