A fresh look at (non)renormalizable QFTs

Abstract

Abandoning dimensional regularization allows important simplifications in loop calculations and gives a handle to interpret non-renormalizable Quantum Field Theories. I review the current status of FDR, a fully four-dimensional approach to the ultraviolet problem.

Comments: 8 pages, 1 figure, presented at the 11th International Symposium on Radiative Corrections, RADCOR 2013, 22.-27. September 2013, Lumley Castle, Durham, UK