Guilherme de Berredo-Peixoto

Higher derivative quantum gravity with Gauss-Bonnet term

Higher derivative theory is one of the important models of quantum gravity, renormalizable and asymptotically free within the standard perturbative approach. We consider the

Conformal quantum gravity with the Gauss-Bonnet term

4\ensuremath{-}ϵ

One-loop corrections to the photon propagator in curved-space QED

renormalization group for this theory, an approach which proved fruitful in

On the renormalization of CPT/Lorentz violating QED in curved space

2\ensuremath{-}ϵ

SIMPLE COSMOLOGICAL MODEL WITH RELATIVISTIC GAS

models. A consistent formulation in dimension

On the renormalization group for the interacting massive scalar field theory in curved space

n=4\ensuremath{-}ϵ

Higher derivative quantum gravity near four dimensions

requires taking quantum effects of the topological term into account, hence we perform a calculation which is more general than the ones done before. In the special

Conservation of Momentum

n=4

Work of a Force and Conservative Forces

case we confirm a known result by Fradkin, Tseytlin, Avramidi, and Barvinsky, while contributions from a topological term do cancel. In the more general case of

Movement in a Potential Field: Oscillations

4\ensuremath{-}ϵ