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arXiv · 2201.10852

Obtaining fully polarised amplitudes in gauge invariant form

Naser Ahmadiniaz·Victor Miguel Banda Guzman·Christian Schubert·Fiorenzo Bastianelli·Olindo Corradini·James P. Edwards
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Abstract

We describe progress applying the \textit{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.

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Naser Ahmadiniaz, Victor Miguel Banda Guzman, Christian Schubert, Fiorenzo Bastianelli, Olindo Corradini, James P. Edwards. 2022-01-26. Obtaining fully polarised amplitudes in gauge invariant form. https://arxiv.org/abs/2201.10852

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