Scalar-graviton amplitudes
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Publication:2292546
DOI10.1007/JHEP11(2019)148zbMATH Open1437.83034arXiv1908.09755MaRDI QIDQ2292546
Author name not available (Why is that?)
Publication date: 3 February 2020
Published in: (Search for Journal in Brave)
Abstract: Using the CHY-formalism and its extension to a double cover we provide covariant expressions for tree-level amplitudes with two massive scalar legs and an arbitrary number of gravitons in D dimensions. Using unitarity methods, such amplitudes are needed inputs for the computation of post-Newtonian and post-Minkowskian expansions in classical general relativity.
Full work available at URL: https://arxiv.org/abs/1908.09755
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