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Parent Berry curvature and the ideal anomalous Hall crystal
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 …
sufficiently high parent Berry curvature, we show that strong repulsive interactions …
Gate-tunable topological phases in superlattice modulated bilayer graphene
Superlattice potential modulation can produce flat minibands in Bernal-stacked bilayer
graphene. In this work we study how band topology and interaction-induced symmetry …
graphene. In this work we study how band topology and interaction-induced symmetry …
Engineering band structures of two-dimensional materials with remote moiré ferroelectricity
J Ding, H **ang, W Zhou, N Liu, Q Chen, X Fang… - Nature …, 2024 - nature.com
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 …
structures of two-dimensional materials, including the formation of moiré bands, flat bands …
Designing topology and fractionalization in narrow gap semiconductor films via electrostatic engineering
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 …
semiconductor films using only an external electrostatic superlattice potential. We …
Moiré exciton polaron engineering via twisted hBN
Twisted hexagonal boron nitride (thBN) exhibits ferroelectricity due to moiré superlattices
with AB/BA domains. These domains possess electric dipoles, leading to a periodic …
with AB/BA domains. These domains possess electric dipoles, leading to a periodic …
Band structure engineering using a moir\'e polar substrate
Applying long wavelength periodic potentials on quantum materials has recently been
demonstrated to be a promising pathway for engineering novel quantum phases of matter …
demonstrated to be a promising pathway for engineering novel quantum phases of matter …
Coupled exciton internal and center-of-mass motions in two-dimensional semiconductors by a periodic electrostatic potential
We theoretically investigate the coupling between the exciton internal and center-of-mass
motions in monolayer transition-metal dichalcogenides subjected to a periodic electrostatic …
motions in monolayer transition-metal dichalcogenides subjected to a periodic electrostatic …
Moiré band structure engineering using a twisted boron nitride substrate
Applying long wavelength periodic potentials on quantum materials has recently been
demonstrated to be a promising pathway for engineering novel quantum phases of matter …
demonstrated to be a promising pathway for engineering novel quantum phases of matter …
Two dimensional semiconductors: Optical and electronic properties
In the last decade atomically thin 2D materials have emerged as a perfect platform for
studying and tuning light-matter interaction and electronic properties in nanostructures. The …
studying and tuning light-matter interaction and electronic properties in nanostructures. The …
Correlated states controlled by tunable van Hove singularity in moir\'e WSe2
Twisted bilayers of transition metal dichalcogenide semiconductors have enabled the
discovery of superconductivity, ferromagnetism, correlated insulators and a series of new …
discovery of superconductivity, ferromagnetism, correlated insulators and a series of new …