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hep-th2025
Type IIB at eight derivatives: Five-Point Axio-Dilaton Couplings
James Liu, Ruben Minasian, Raffaele Savelli +1
We study the Type IIB eight-derivative effective Lagrangian beyond the quartic level, focusing on interactions involving gravitons and axio-dilatons. We show how to translate five-…
hep-th2025
Duality-Symmetry Enhancement in Maxwell Theory
Shani Meynet, Daniele Migliorati, Raffaele Savelli +1
Free Maxwell theory on general four-manifolds may, under certain conditions on the background geometry, exhibit holomorphic factorization in its partition function. We show that wh…