Aspects of non-local QED and the weak gravity conjecture Fayez Abu-Ajamieh, Nobuchika Okada and Sudhir K. Vempati Eur. Phys. J. C, 85 5 (2025) 527 Published online: 13 May 2025 DOI: 10.1140/epjc/s10052-025-14169-y