Vibhu Ravindran

Notes

Here are some assorted physics and math notes. The style is meant to be conversational and the notes are not really optimized for readability.

Symmetry and anomaly as higher groups: Introduction to the higher group formalism with applications
t'Hooft anomaly in field theory and on the lattice: Two simple examples of t'Hooft anomaly
Majorana CFT on the lattice: Calculation of energy and momentum of CFT operators exactly on the lattice
Module Category Primer & Generalized Gauging in 1+1D Dictionary of category theory terminology involved in the classification of gapped phases in 1D

Teaching

UC Berkeley

Spring 2024 Physics 198: Geometry and Topology for physicists (Co-created and taught the topology half) Lec notes + HW
Spring 2022 & Fall 2023 Physics 5B (tutor)

Talks (Expository)

Djikgraaf-Witten theory (for a Knot theory class) Notes
Classical discrete time crytals (at IMSc) Notes