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2014

Note on Soft Graviton theorem by KLT Relation

Du, Yi-Jian, Feng, Bo, Fu, Chih-Hao et al.

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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.

Note on Soft Graviton theorem by KLT Relation · Around

Built on

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Similar

R. Britto, F. Cachazo, B. Feng and E. Witten, “Direct proof of tree-level recursion relation in Yang-Mills theory,” Phys. Rev. Lett. 94
2005
Cited alongside, same era.
Z. Bern, J. J. M. Carrasco and H. Johansson, Phys. Rev. D 78
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2008
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N. E. J. Bjerrum-Bohr, P. H. Damgaard, B. Feng and T. Sondergaard, “Gravity and Yang-Mills Amplitude Relations,” Phys. Rev. D 82
Original
2010
Cited alongside, same era.
N. E. J. Bjerrum-Bohr, P. H. Damgaard, B. Feng and T. Sondergaard, “Proof of Gravity and Yang-Mills Amplitude Relations,” JHEP 1009
Original
2010
Cited alongside, same era.
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T. He, V. Lysov, P. Mitra and A. Strominger, “BMS supertranslations and Weinberg’s soft graviton theorem,” arXiv:1401.7026 [hep-th]
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Cited in the paper.
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E. Casali, “Soft sub-leading divergences in Yang-Mills amplitudes,” arXiv:1404.5551 [hep-th]
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Z. Bern, S. Davies, P. Di Vecchia and J. Nohle, “Low-Energy Behavior of Gluons and Gravitons from Gauge Invariance,” arXiv:1406.6987 [hep-th]
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Then

E. Laenen, G. Stavenga and C. D. White, JHEP 0903
Original
2011
Later among the works it cites.
N. E. J. Bjerrum-Bohr, P. H. Damgaard, T. Sondergaard and P. Vanhove, “The Momentum Kernel of Gauge and Gravity Theories,” JHEP 1101
Original
2011
Later among the works it cites.
F. Cachazo and D. Skinner, Phys. Rev. Lett. 110
Original
2013
Later among the works it cites.
F. Cachazo, S. He and E. Y. Yuan, JHEP 1407
Original
2014
Closest in time.

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