The BPHZL renormalization of a planar quantum electrodynamics up to 2-loops and beyond

D. O. R. Azevedo, O. M. Del Cima, L. S. Lima +1

The renormalization of a parity-even massless $U(1)\times U(1)$ quantum electrodynamics in three space-time dimensions (QED${}_3$) is studied by adopting the Bogoliubov-Parasiuk-Hepp…