TL;DR
FeynGrav 2.0 introduces support for massive matter and SU(N) gauge fields, revisits gauge fixing in gravity, and provides interaction rules applicable for any gauge parameter, enhancing computational tools for gravitational and gauge theories.
Contribution
The paper presents FeynGrav 2.0 with new features supporting massive matter and SU(N) models, along with generalized gauge fixing interaction rules.
Findings
Supports massive matter and SU(N) gauge fields.
Provides interaction rules valid for any gauge fixing parameter.
Includes example calculations demonstrating package usage.
Abstract
We present a new version of FeynGrav. The present version supports Feynman rules for matter with non-vanishing mass and Yang-Mills model. We revisit the gauge fixing procedure for gravity and derive interaction rules valid for an arbitrary gauge fixing parameter. We provide a few simple examples of calculations to illustrate package usage.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Distributed and Parallel Computing Systems · Cosmology and Gravitation Theories