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Classical Gravity from Loop Amplitudes

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arxiv 2104.04510 v3 pith:F52T63CN submitted 2021-04-09 hep-th gr-qchep-ph

N. Emil J. Bjerrum-Bohr , Poul H. Damgaard , Ludovic Planté , Pierre Vanhove This is my paper
classification hep-thgr-qchep-ph
keywords methodamplitudesclassicalgravityintegralslooporderpost-minkowskian
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We describe an efficient method for extracting the parts of $D$-dimensional loop integrals that are needed to derive observables in classical general relativity from scattering amplitudes. Our approach simplifies the soft-region method of integration by judiciously combining terms before the final integrations. We demonstrate the method by computing the required integrals for black-hole scattering to the second Post-Minkowskian order in Einstein gravity coupled to scalars. We also confirm recent results at the third Post-Minkowskian order regarding universality and high-energy behavior of gravitational interactions in maximal supergravity.

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Cited by 4 Pith papers

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