Gravitational corrections to two-loop beta function in quantum electrodynamics
L.Ibiapina Bevilaqua, M. Dias, A. C. Lehum, C. R. Senise Jr., A. J. da Silva, Huan Souza
arXiv:2105.12577 [hep-th]
Files:
Einstein_QED.zip and Einstein_Scalar_QED.zip contain the FeynArts model files. These files have to be put inside the “Model” folder of your FeynArts installation.
QED_coupled_to_linearized_gravity.nb is the Mathematica notebook where calculations are done.