Scattering amplitudes in affine gravity
Benjamin Knorr, Chris Ripken
Abstract
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 scattering amplitude of scalar particles interacting gravitationally via the connection in a curved spacetime. We find that, while classically equivalent to general relativity, affine gravity differs from metric quantum gravity.
Topics & Concepts
Physicsf(R) gravityQuantum gravityAffine transformationGeneral relativityAffine connectionSemiclassical gravityAffine geometryClassical mechanicsLinearized gravityTheoretical physicsMathematical physicsMathematicsQuantum mechanicsPure mathematicsQuantumAffine spaceQuantum processQuantum dynamicsBlack Holes and Theoretical PhysicsNoncommutative and Quantum Gravity TheoriesCosmology and Gravitation Theories