We describe progress applying the Worldline Formalism of quantum field theory to the fermion propagator dressed by N-photons to study multi-linear Compton scattering processes, explaining how this approach-whose calculational advantages are well-known at multi-loop order-yields compact and manifestly gauge invariant scattering amplitudes.
Obtaining Fully Polarized Amplitudes in Gauge Invariant Form
Bastianelli, F;
2022
Abstract
We describe progress applying the Worldline Formalism of quantum field theory to the fermion propagator dressed by N-photons to study multi-linear Compton scattering processes, explaining how this approach-whose calculational advantages are well-known at multi-loop order-yields compact and manifestly gauge invariant scattering amplitudes.File in questo prodotto:
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