Correlation-Induced Insulating Topological Phases at Charge Neutrality in Twisted Bilayer Graphene
Yuan Da Liao, Jian Kang, Clara N. Breiø, Xiao Yan Xu, Han-Qing Wu, Brian M. Andersen, Rafael M. Fernandes, Zi Yang Meng
Abstract
Quantum Monte Carlo simulations of so-called ``magic angle'' twisted bilayer graphene reveal three novel insulating phases that may help elucidate the origin of unusual electronic behaviors in this material.
Topics & Concepts
Bilayer grapheneGrapheneCondensed matter physicsCharge (physics)Materials scienceMonte Carlo methodQuantum Monte CarloBilayerTopological insulatorQuantumTopology (electrical circuits)Graphene nanoribbonsElectronic structureQuantum dotPhysicsNanostructureTopological Materials and PhenomenaGraphene research and applications2D Materials and Applications