Speaker
Christian Copetti
(Oxford)
Description
Symmetry can be realized in an anomalous fashion on the dynamical defects of a theory. These "defect anomalies" are exact non-perturbative defect data which constrain their physics in several ways.
In this talk, I explain how defect anomalies can be detected in scattering experiments, where they are responsible for processes in which local particles in the in-state are morphed into nonlocal excitations.
After giving some introduction about the structure of the -in and -out states in the presence of a defect, I will explain this connection in detail and provide examples.
Based on work to appear with A. Antinucci, G. Galati and G. Rizi.