Eur. Phys. J. C (1999) 6: 549-553
https://doi.org/10.1007/s100529800933

Summing up the perturbation series in the Schwinger Model

Physics Department, Warsaw University, ul. Hoża 69, 00-681, Warsaw, Poland

^* e-mail: torado@fuw.edu.pl

Received: 2 March 1998
Revised: 12 May 1998
Published online: 17 September 2013

Abstract

Perturbation series for the electron propagator in the Schwinger Model is summed up in a direct way by adding contributions coming from individual Feynman diagrams. The calculation, performed entirely in momentum space, shows the complete agreement between nonperturbative and perturbative approaches.