Electron-photon interaction in de Sitter ambient space formalism
F. Jalilifard, Y. Ahmadi, M. V. Takook
TL;DR
This paper investigates electron-photon interactions within de Sitter space using ambient space formalism, deriving the scattering matrix and calculating the scattering amplitude at leading order, and analyzing the Minkowski limit.
Contribution
It introduces a formalism for electron-photon interactions in de Sitter space and computes the scattering amplitude at leading order, including the Minkowski limit.
Findings
Derived the interaction Lagrangian and scattering matrix in de Sitter space.
Calculated the tree-level electron-photon scattering amplitude.
Analyzed the Minkowski limit of the formalism.
Abstract
The electron-photon interaction (the spinor-vector field interaction) in the de Sitter ambient space formalism is investigated in the first (leading order) approximation. The interaction Lagrangian and the scattering matrix are presented. In this approximation, the scattering matrix can be written as a expansion of the interaction Lagrangian. The tree-diagram of electron-photon scattering amplitude is calculated. Finally the Minkowski limit is considered.
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