118 citations · 387 across the 13 of their papers we have counts for
Showing 2020Show all
3 papers · 1 filter
hep-th2020★ 21 cited
Scattering amplitudes in affine gravity
Benjamin Knorr, Chris Ripken
Affine gravity is a connection-based formulation of gravity that does not involve a metric. After a review of basic properties of affine gravity, we compute the tree-level scatteri…
hep-th2020★ 36 cited
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★ 81 cited
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…