Abstract
Investigations of high-energy graviton-graviton and gluon-gluon scattering are performed in the leading eikonal approximation for the kinematic regime of large center of mass energy and low momentum transfer. When we retain only a set of gauge theory diagrams for which the collinear divergences cancel amongst themselves, we find a double copy relation between the amplitudes of the two theories to all loop orders. For this to happen the color structure of all diagrams in a set must be arranged to be identical. Using standard field theoretic methods, it is shown that this relation is reflected in a similar double copy relationship between the classical shockwaves of the two theories as well.
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ArXiv ePrint: 1210.8111
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Saotome, R., Akhoury, R. Relationship between gravity and gauge scattering in the high energy limit. J. High Energ. Phys. 2013, 123 (2013). https://doi.org/10.1007/JHEP01(2013)123
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DOI: https://doi.org/10.1007/JHEP01(2013)123