Topological flat bands and correlated states in twisted monolayer-bilayer graphene
Topological flat bands and correlated states in twisted monolayer-bilayer graphene
Monolayer graphene placed with a twist on top of AB-stacked bilayer graphene hosts topological flat bands in a wide range of twist angles. The dispersion of these bands and gaps between them can be efficiently controlled by a perpendicular electric field, which induces topological transitions accompanied by changes of the …