We study a model of electrons moving in a parent band of uniform Berry curvature. At
sufficiently high parent Berry curvature, we show that strong repulsive interactions …

The prediction and realization of the quantum anomalous Hall effect are often intimately
connected to honeycomb lattices in which the sublattice degree of freedom plays a central …

The stacking order and twist angle provide abundant opportunities for engineering band
structures of two-dimensional materials, including the formation of moiré bands, flat bands …

We show that topological flat minibands can be engineered in a class of narrow gap
semiconductor films using only an external electrostatic superlattice potential. We …

Two-dimensional materials subject to long-wavelength modulations have emerged as novel
platforms to study topological and correlated quantum phases. In this article, we develop a …

Nonlinear electromagnetic response functions have reemerged as a crucial tool for studying
quantum materials, due to recently appreciated connections between optical response …

Applying long wavelength periodic potentials on quantum materials has recently been
demonstrated to be a promising pathway for engineering novel quantum phases of matter …

It was recently argued that Bernal stacked bilayer graphene (BLG) exposed to a two-
dimensional superlattice (SL) potential exhibits a variety of intriguing behaviors [Ghorashi …

Topological trivial and nontrivial phases can be readily realized in low-dimensional organic
polymers via bottom-up synthesis. However, to effectively harness these topological phases …

We theoretically study the nonlinear optical response of ABC trilayer graphene with
inversion symmetry broken by the application of a displacement field perpendicular to the …