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Scalar-Graviton Amplitudes

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.

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Co-authorshipCo-authorshipCo-authorshipCo-authorshipCo-authorshipCo-authorshipAuthorshipAuthorshipAuthorshipAuthorshipTopic signalTopic signalRelated contextWScalar-Graviton Amplitudespreprint / 2019AN. E. J. Bjerrum-BohrResearcherAAndrea CristofoliResearcherAPoul H. DamgaardResearcherAHumberto GomezResearcherTgr-qc10727 worksThep-th13268 works
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Scalar-Graviton Amplitudes

preprint / 2019

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