Reducible contributions to the propagator and EHL in background fields
arXiv:2003.02508
Abstract
We briefly discuss the recent discovery of reducible contributions to QED effective actions due to the presence of external electromagnetic fields at tree level and higher loop-order. We classify the physical effects of these contributions for various field configurations and discuss the strong field asymptotic limit.
arXiv comment10 pages, 6 figures, talk given by N. Ahmadiniaz at the 19th Lomonosov Conference on Elementary Particle Physics, Moscow, August 22-28, 2019, to appear in the conference proceedings. arXiv admin note: some text overlap with arXiv: 1901.09416 and 1704.05040