arXiv:hep-th/0610158·v1·High Energy Physics — Theory
Bethe-Salpeter equation with cross-ladder kernel in Minkowski and Euclidean spaces
V.A. Karmanov🇷🇺 · J. Carbonell🇫🇷 · M. Mangin-Brinet🇫🇷
Abstract
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.
Comments: 4 pages, 3 figures. Contribution to the proceedings of the 18th International IUPAP Conference on Few-Body Problems in Physics (FB18), Santos, Brasil, August 21-26, 2006. To be published in Nucl. Phys. A