Improving Euler-Heisenberg-Schwinger Effective Action with Dressed Photons
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 lynicki-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.
Keywords: Euler–Heisenberg–Schwinger (EHS); non-perturbative vac-uum structure; quantum electrodynamics (QED)
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WWW-Beitrag
https://arxiv.org/abs/2306.07887
DOI: 10.12693/APhysPolA.143.S13
arXiv: 2306.07887 -
Acta Physica Polonica A 6(2023)143, S13-S17
DOI: 10.12693/APhysPolA.143.S13
Permalink: https://www.hzdr.de/publications/Publ-37453