TL;DR
FeynGrav is a FeynCalc extension that simplifies calculations of gravity amplitudes, enabling efficient analysis of graviton interactions and quantum effects in general relativity.
Contribution
It introduces a framework for Feynman rules in gravity within FeynCalc, applicable to general relativity and matter minimally coupled to gravity, with tested examples.
Findings
Successfully applied to 2->2 graviton scattering
Analyzed polarization operators
Studied one-loop scalar-gravitational interactions
Abstract
Package FeynGrav which provides a framework to deal with Feynman rules for gravity within FeynCalc is presented. We present a framework to deal with the corresponding Feynman rules for general relativity and non-supersymmetric matter minimally coupled to gravity. Applicability of the package is tested with 2 -> 2 on-shell tree level graviton scattering, polarization operators, and one-loop scalar-gravitational interaction structure.
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