Bethe-Salpeter equation with cross-ladder kernel in Minkowski and Euclidean spaces

Details Bethe-Salpeter equation with cross-ladder kernel in Minkowski and Euclidean spaces Bethe-Salpeter equation with cross-ladder kernel in Minkowski and Euclidean spaces

2006-10-13

arxiv.org/abs/hep-th/0610158v1

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 3 figures. Contribution to the proceedings of the 18th International IUPAP Conference on Few-Body Problems in Physics

Scientific paper

10.1016/j.nuclphysa.2007.03.101

Some results obtained by a new method for solving the Bethe-Salpeter equation
are presented. The method is valid for any kernel given by irreducible Feynman
graphs. The Bethe-Salpeter amplitude, both in Minkowski and in Euclidean
spaces, and the binding energy for ladder + cross-ladder kernel are found. We
calculate also the corresponding electromagnetic form factor.

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