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hep-th2020
Graviton-Mediated Scattering Amplitudes from the Quantum Effective Action
Tom Draper, Benjamin Knorr, Chris Ripken +1
We employ the curvature expansion of the quantum effective action for gravity-matter systems to construct graviton-mediated scattering amplitudes for non-minimally coupled scalar f…
hep-th2020
Finite Quantum Gravity Amplitudes -- no strings attached
Tom Draper, Benjamin Knorr, Chris Ripken +1
We study the gravity-mediated scattering of scalar fields based on a parameterisation of the Lorentzian quantum effective action. We demonstrate that the interplay of infinite towe…