3 papers
hep-th2026
Lectures on Semiclassical Methods for Composite Operators
Francesco Sannino
These lecture notes are intended as a coherent introduction to conformal field theory in general, and composite operators in particular, through a semiclassical framework for compu…
hep-th2026
Infinite Heat Order in 3+1 Dimensions
Borut Bajc, Giulia Muco, Francesco Sannino +1
We investigate whether spontaneous symmetry breaking can persist up to arbitrarily high temperature in ultraviolet-complete quantum field theories in four spacetime dimensions. We…
hep-ph2026
Strong CP and the QCD Axion: Lecture Notes via Effective Field Theory
Francesco Sannino
These lecture notes provide a self-contained, graduate-level introduction to the strong problem and QCD axion physics from an effective field theory (EFT) viewpoint. We review…