Low-Energy Optical Sum Rule in Moiré Graphene

JF Mendez-Valderrama, D Mao, D Chowdhury - Physical Review Letters, 2024 - APS
Few layers of graphene at small twist angles have emerged as a fascinating platform for
studying the problem of strong interactions in regimes with a nearly quenched single-particle …

Nano-optical probing of quantum geometry and correlations in moiré graphene systems

F Koppens - phantomsfoundation.com
Since the initial experimental observation of correlated insulators and superconductivity in
the flat Dirac bands of magic angle twisted bilayer graphene, a search for the microscopic …