Gravitino Interactions from Yang-Mills Theory
N. E. J. Bjerrum-Bohr, Oluf Tang Engelund
TL;DR
This paper derives gravitino interaction rules from Yang-Mills theory using gauge theory/gravity relations, simplifying calculations and verifying results up to five-point scattering.
Contribution
It introduces a novel method to obtain gravitino interactions directly from on-shell Yang-Mills amplitudes, simplifying traditional Feynman rules.
Findings
Simpler tree-level Feynman rules for gravitino scattering.
Explicit verification of results up to five-point scattering.
Demonstration of gauge theory/gravity relations in gravitino interactions.
Abstract
We fabricate gravitino vertex interactions using as only input on-shell Yang-Mills amplitudes and the Kawai-Lewellen-Tye gauge theory / gravity relations. A useful result of this analysis is simpler tree-level Feynman rules for gravitino scattering than in traditional gauges. All results are explicitly verified until five point scattering.
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