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hep-th2026
Bounds on nonlinear electrodynamics via resummed relative entropy
Pietro Conzinu, Daiki Ueda
We investigate nonlinear electrodynamic effective field theories (EFTs) through the relative entropy evaluated in suitable background electromagnetic fields. In this setup, the rel…
hep-th2026
Bounds on nonlinear effective field theories via resurgent relative entropy
Pietro Conzinu, Daiki Ueda
We study a class of nonlinear effective field theories (EFTs) in which relative entropy organizes an infinite tower of higher-dimensional operators with factorially growing coeffic…