Effective action for QED_4 through zeta function regularization
High Energy Physics - Theory
2015-06-25 v2
Abstract
We obtain, through zeta function methods, the one-loop effective action for massive Dirac fields in the presence of a uniform, but otherwise general, electromagnetic background. After discussing renormalization, we compare our zeta function result with Schwinger's proper time approach.
Cite
@article{arxiv.hep-th/0006123,
title = {Effective action for QED_4 through zeta function regularization},
author = {C. G. Beneventano and E. M. Santangelo},
journal= {arXiv preprint arXiv:hep-th/0006123},
year = {2015}
}
Comments
Several changes, including title, LateX, 9 pages