Speaker
Mika Lauk
Date/Time
Date(s) - 12/02/2025
11:00 - 12:00
Location
IRIS Building, Room 1.221
Abstract: I will renormalize 2d O(N) nonlinear sigma models using a lattice regulator. This is a nice excercise because it involves non-linear ward identities and an inductive all orders argument and shows how powerful non-linear symmetries can be in constraining the renormalization of a theory.