Comment on "All-Loop Result for the Strong Magnetic Field Limit of the Heisenberg-Euler Effective Lagrangian"

High Energy Physics - Theory High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph) High Energy Physics - Theory (hep-th) FOS: Physical sciences
DOI: 10.48550/arxiv.2403.09745 Publication Date: 2024-01-01
ABSTRACT
2 pages. Comment on arXiv:1903.06998<br/>We offer a 2nd look at the recently claimed improvement of Euler-Heisenberg-Schwinger (EHS) action [PRL \textbf{122} (2019) no.21, 211602 and post-publication correction]: We demonstrate a difference to the claimed concordance with the Schwinger-Dyson series starting at the two-loop level.<br/>
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