Colloquium: Quantum anomalous Hall effect

CZ Chang, CX Liu, AH MacDonald - Reviews of Modern Physics, 2023 - APS
The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

Excitons in semiconductor moiré superlattices

D Huang, J Choi, CK Shih, X Li - Nature nanotechnology, 2022 - nature.com
Semiconductor moiré superlattices represent a rapidly develo** area of engineered
photonic materials and a new platform to explore correlated electron states and quantum …

Evidence for unconventional superconductivity in twisted trilayer graphene

H Kim, Y Choi, C Lewandowski, A Thomson, Y Zhang… - Nature, 2022 - nature.com
Magic-angle twisted trilayer graphene (MATTG) has emerged as a moiré material that
exhibits strong electronic correlations and unconventional superconductivity,. However …

Magic-angle twisted bilayer graphene as a topological heavy fermion problem

ZD Song, BA Bernevig - Physical review letters, 2022 - APS
Magic-angle (θ= 1.0 5°) twisted bilayer graphene (MATBG) has shown two seemingly
contradictory characters: the localization and quantum-dot-like behavior in STM …

Fractional Chern insulators in magic-angle twisted bilayer graphene

Y **-driven topological polaritons in graphene/α-MoO3 heterostructures
H Hu, N Chen, H Teng, R Yu, Y Qu, J Sun… - Nature …, 2022 - nature.com
Control over charge carrier density provides an efficient way to trigger phase transitions and
modulate the optoelectronic properties of materials. This approach can also be used to …

Observation of chiral and slow plasmons in twisted bilayer graphene

T Huang, X Tu, C Shen, B Zheng, J Wang, H Wang… - Nature, 2022 - nature.com
Moiré superlattices have led to observations of exotic emergent electronic properties such
as superconductivity and strong correlated states in small-rotation-angle twisted bilayer …