GitHub - GraCosPA/FeynGrav: FeynGrav is a Wolfram Mathematica package that implements Feynman rules for gravity within FeynCalc framewok.

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FeynGrav is a Wolfram Mathematica package that implements Feynman rules for gravity within FeynCalc framewok.

GPL-3.0 license

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Name		Name	Last commit message	Last commit date
Latest commit History 155 Commits
Examples		Examples
Libs		Libs
Rules		Rules
FeynGrav.wl		FeynGrav.wl
LICENSE		LICENSE
README		README

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***DEPENDENCIES***
FeynCalc 9.3.1 or higher is required.


***INSTALLATION**

*) Run "$UserBaseDirectory" in Wolfram Mathematica and locate the User Base Directory.
*) Copy the whole "FeynGrav" folder to "UserBaseDirectory/Applications".
*) Command "<<FeynGrav`" loads FeynGrav alongside FeynCalc in Mathematica.


***FILES DESCRIPTION***

"FeynGrav.wl"
The main package file.

"FeynGrav_Examples.nb"
The file contains a few examples discussed in ArXiV:2201.06812.

"Rules"
The directory contains files with Feynman rules for gravity and auxiliary functions.

"Libs"
The directory contains library files and the libraries generator.
The package is provided with pre-generated libraries up to O(\kappa^3) order in perturbation theory.

"Libs/FeynGravLibrariesGenerator.wl"
The package file provides a tool to generate libraries.