Toward Categorical Symmetry Fluid from Anomalous Theory without Triangle Diagrams

This lecture by Napat Poovuttikul from PCS Institute for Basic Science explores the relationship between categorical symmetries and anomalous global symmetries, with a focus on theories without triangle diagrams. Discover a general procedure for determining how global anomalies affect transport regimes in physics. Learn about examples featuring chiral magnetic and vortical effects with fractionally quantized transport coefficients resulting from global anomalies. The 53-minute presentation examines how categorical symmetries can be obtained by gauging discrete non-anomalous subgroups of anomalous global symmetry, and investigates whether global anomalies involving discrete groups (which aren't detectable via infinitesimal gauge transformation or triangle diagrams) can be distinguished from ordinary hydrodynamics.