Recovering Infinities in Graviton Scattering Amplitudes using Cutkosky rules
Paul S. Norridge
TL;DR
This paper employs Cutkosky rules to identify and analyze infinities in graviton scattering amplitudes, confirming existing counterterms and deriving new results in related theories.
Contribution
It introduces a novel application of Cutkosky rules to graviton amplitudes, confirming known counterterms and deriving new counter-Lagrangian results.
Findings
Confirmed theoretical counterterms in Einstein-Maxwell theory
Determined new results in Dirac-Einstein counter-Lagrangian
Validated the use of Cutkosky rules for divergence analysis
Abstract
We use the Cutkosky rules as a tool for determining the infinities present in graviton scattering amplitudes. We are able to confirm theoretical derivations of counterterms in Einstein-Maxwell theory and to determine new results in the Dirac-Einstein counter-Lagrangian.
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