Parent Berry curvature and the ideal anomalous Hall crystal

T Tan, T Devakul - Physical Review X, 2024‏ - APS
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 …

Gate-tunable topological phases in superlattice modulated bilayer graphene

Y Zeng, TMR Wolf, C Huang, N Wei, SAA Ghorashi… - Physical Review B, 2024‏ - APS
Superlattice potential modulation can produce flat minibands in Bernal-stacked bilayer
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 …

Designing topology and fractionalization in narrow gap semiconductor films via electrostatic engineering

T Tan, AP Reddy, L Fu, T Devakul - Physical Review Letters, 2024‏ - APS
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 …

Moiré exciton polaron engineering via twisted hBN

M Cho, B Datta, K Han, SB Chand, PC Adak, S Yu… - Nano Letters, 2024‏ - ACS Publications
Twisted hexagonal boron nitride (thBN) exhibits ferroelectricity due to moiré superlattices
with AB/BA domains. These domains possess electric dipoles, leading to a periodic …

Band structure engineering using a moir\'e polar substrate

X Wang, C Xu, S Aronson, D Bennett, N Paul… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Applying long wavelength periodic potentials on quantum materials has recently been
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

F Lu, Q Hu, Y Xu, H Yu - Physical Review B, 2024‏ - APS
We theoretically investigate the coupling between the exciton internal and center-of-mass
motions in monolayer transition-metal dichalcogenides subjected to a periodic electrostatic …

Moiré band structure engineering using a twisted boron nitride substrate

X Wang, C Xu, S Aronson, D Bennett, N Paul… - Nature …, 2025‏ - nature.com
Applying long wavelength periodic potentials on quantum materials has recently been
demonstrated to be a promising pathway for engineering novel quantum phases of matter …

Two dimensional semiconductors: Optical and electronic properties

R Rosati, I Paradisanos, E Malic… - arxiv preprint arxiv …, 2024‏ - arxiv.org
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 …

Correlated states controlled by tunable van Hove singularity in moir\'e WSe2

P Knüppel, J Zhu, Y **a, Z **a, Z Han, Y Zeng… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Twisted bilayers of transition metal dichalcogenide semiconductors have enabled the
discovery of superconductivity, ferromagnetism, correlated insulators and a series of new …