3 papers
hep-th2026
Non-invertible symmetries in the axiverse, and the imaginary wormholes
Daniele Licciardello, Luca Martucci
We study the symmetry structure of four-dimensional axiverse effective field theories with multiple axions coupled to abelian gauge sectors, including their extensions to broad cla…
hep-th2025
Gaillard-Zumino non-invertible symmetries
Fabio Apruzzi, Luca Martucci
We uncover an infinite class of novel zero-form non-invertible symmetries in a broad family of four-dimensional models, studied years ago by Gaillard and Zumino (GZ), which include…
hep-th2024
Wormholes in the axiverse, and the species scale
Luca Martucci, Nicolò Risso, Alessandro Valenti +1
We analyze a large class of four-dimensional low-energy realizations of the axiverse satisfying various quantum gravity constraints. We propose a novel upper bound…