Reduction formalism for Dirac fermions on de Sitter spacetime
Cosmin Crucean, Radu Racoceanu
TL;DR
This paper derives reduction formulas for Dirac fermions in de Sitter spacetime, utilizing exact solutions and perturbation theory to analyze Green functions and scattering amplitudes.
Contribution
It introduces a formalism for Dirac fermions on de Sitter spacetime using exact solutions and perturbative methods, advancing quantum field theory in curved spacetime.
Findings
Derived reduction formulas for Dirac fermions on de Sitter spacetime
Analyzed Green functions within perturbation theory framework
Calculated scattering amplitudes to first order
Abstract
The reduction formulas for Dirac fermions are derived, using the exact solutions of free Dirac equation on de Sitter spacetime. In the framework of the perturbation theory one studies the Green functions and derive the scatering amplitude in the first orders of perturbation theory.
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