The Topological Heavy Fermion Principle for Interacting Flat Bands in Twisted Bilayer Graphene and Beyond - Andrei Bernevig

Explore the topological heavy fermion principle for interacting flat bands in twisted bilayer graphene and beyond in this 47-minute conference talk by Andrei Bernevig from Princeton University. Delve into recent developments in the interplay between topology, symmetry, and interactions in condensed matter physics. Examine the effects of correlations on non-interacting topological insulators, semimetals, and superconductors. Investigate how symmetry and strong correlations produce correlated topological phases in Kondo systems. Discuss the relevance of Moire heterostructures in revealing general principles for topology and interactions. Consider the connection between higher-order topology and fracton systems, and explore the potential of topology as a nonperturbative framework for understanding strongly correlated gapless phases. This talk is part of a broader conference aimed at enhancing cross-talk between weakly and strongly correlated communities interested in topology, organized by the Kavli Institute for Theoretical Physics.