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Explore the application of causality in constraining higher derivative corrections to Einstein Maxwell theory in this 26-minute talk by Sera Cremonini. Delve into the process of scattering probe photons off charged shock waves to derive new constraints on Wilson coefficients that parameterize higher derivative operators. Examine how gravity affects purely field theoretic bounds, weakening them in the process. Investigate the challenges posed by IR divergences in four dimensions, which require regulation and complicate the underlying physics. This presentation was part of the Thematic Programme on "The Landscape vs. the Swampland" held at the Erwin Schrödinger International Institute for Mathematics and Physics (ESI) from July 1 to August 9, 2024.
