arXiv:hep-ph/0102050·v3·High Energy Physics — Phenomenology
One-Loop Electron Vertex in Yennie Gauge
Michael I. Eides (University of Kentucky, USA, and Petersburg Nuclear Physics Institute, St.Petersburg, Russia)🇺🇸 · Valery A. Shelyuto (D. I. Mendeleev Institute of Metrology, Russia)🇷🇺
Abstract
We derive a compact Yennie gauge representation for the off-shell one-loop electron-photon vertex, and discuss it properties. This expression is explicitly infrared finite, and it has proved to be extremely useful in multiloop calculations in the QED bound state problem.
Comments: Revtex, 12 pp., 1 fig., one reference added. Two misprints in intermediate formulae corrected