Improving Euler-Heisenberg-Schwinger effective action with dressed photons
Abstract
We implement a longstanding proposal by Weisskopf to apply virtual polarization corrections to the in/out external fields in study of the Euler-Heisenberg-Schwinger effective action. Our approach requires distinguishing the electromagnetic and polarization fields based on mathematical tools developed by Bia{\l}ynicki-Birula, originally for the Born-Infeld action. Our solution is expressed as a differential equation where the one-loop effective action serves as input. As a first result of our approach, we recover the higher-order one-cut reducible loop diagrams discovered by Gies and Karbstein.
Cite
@article{arxiv.2306.07887,
title = {Improving Euler-Heisenberg-Schwinger effective action with dressed photons},
author = {Stefan Evans and Johann Rafelski},
journal= {arXiv preprint arXiv:2306.07887},
year = {2023}
}
Comments
This article belongs to the special issue of Acta Physica Polonica A printed in honor of Professor Iwo Bialynicki-Birula on the occasion of his 90th birthday (Ed. Tomasz Sowinski, DOI:10.12693/APhysPolA.143.S0)