Inelastic black hole scattering from charged scalar amplitudes
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Publication:1750896
DOI10.1007/JHEP03(2018)044zbMATH Open1388.83477arXiv1711.03901OpenAlexW3105611463MaRDI QIDQ1750896
Author name not available (Why is that?)
Publication date: 23 May 2018
Published in: (Search for Journal in Brave)
Abstract: We explain how the lowest-order classical gravitational radiation produced during the inelastic scattering of two Schwarzschild black holes in General Relativity can be obtained from a tree scattering amplitude in gauge theory coupled to scalar fields. The gauge calculation is related to gravity through the double copy. We remove unwanted scalar forces which can occur in the double copy by introducing a massless scalar in the gauge theory, which is treated as a ghost in the link to gravity. We hope these methods are a step towards a direct application of the double copy at higher orders in classical perturbation theory, with the potential to greatly streamline gravity calculations for phenomenological applications.
Full work available at URL: https://arxiv.org/abs/1711.03901
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