Skip to content

The One Loop Effective Action of QED for a General Class of Electric Fields

H. M. Fried, R. P. Woodard

hep-tharXiv:hep-th/0110180

Abstract

We compute the effective action of QED at one loop order for an electric field which points in the z direction and depends arbitrarily upon the light cone time coordinate, x+ = (x0 + x3)/2. This calculation generalizes Schwinger's formula for the vacuum persistence probability in the presence of a constant electric field.

Create a lesson