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Factorization Properties of Soft Graviton Amplitudes

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arxiv 1103.2981 v1 pith:PEKN6443 submitted 2011-03-15 hep-th gr-qchep-ph

Chris D. White This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords eikonalsoftamplitudesfactorizationgravitongravityamplitudeapply
verification ladder T0 review T1 audit T2 compute T3 formal
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We apply recently developed path integral resummation methods to perturbative quantum gravity. In particular, we provide supporting evidence that eikonal graviton amplitudes factorize into hard and soft parts, and confirm a recent hypothesis that soft gravitons are modelled by vacuum expectation values of products of certain Wilson line operators, which differ for massless and massive particles. We also investigate terms which break this factorization, and find that they are subleading with respect to the eikonal amplitude. The results may help in understanding the connections between gravity and gauge theories in more detail, as well as in studying gravitational radiation beyond the eikonal approximation.

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Cited by 5 Pith papers

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