FeynGrav and Recent Progress in Computational Perturbative Quantum Gravity
arXiv:2401.05608 · doi:10.3390/sym16010117
Abstract
The article reviews recent progress in computational quantum gravity caused by the framework that efficiently computes Feynman's rules. The framework is implemented in the FeynGrav package, which extends the functionality of the widely used FeynCalc package. FeynGrav provides all the tools to study quantum gravitational effects within the standard model. We review the framework, provide the theoretical background for the efficient computation of Feynman rules, and present the proof of its completeness. We review the derivation of Feynman rules for general relativity, Horndeski gravity, Dirac fermions, Proca field, electromagnetic field, and SU(N) Yang-Mills model. We conclude with a discussion of the current state of the FeynGrav package and discuss its further development.
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