Scattering solutions of Bethe-Salpeter equation in Minkowski and Euclidean spaces
J. Carbonell, V.A. Karmanov
TL;DR
This paper reviews methods for solving the Bethe-Salpeter equation in Minkowski space and highlights how Euclidean scattering amplitudes can be used to determine zero energy observables.
Contribution
It introduces a review of techniques for Bethe-Salpeter scattering solutions and emphasizes the connection between Minkowski and Euclidean space results.
Findings
Methods for solving Bethe-Salpeter in Minkowski space
Euclidean amplitudes can determine zero energy observables
Potential for improved scattering calculations
Abstract
We shortly review different methods to obtain the scattering solutions of the Bethe-Salpeter equation in Minkowski space. We emphasize the possibility to obtain the zero energy observables in terms of the Euclidean scattering amplitude.
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