Composite Fermi Liquid at Zero Magnetic Field in Twisted

J Dong, J Wang, PJ Ledwith, A Vishwanath… - Physical Review Letters, 2023 - APS
The pursuit of exotic phases of matter outside of the extreme conditions of a quantizing
magnetic field is a long-standing quest of solid state physics. Recent experiments have …

Anomalous Hall crystals in rhombohedral multilayer graphene. I. Interaction-driven Chern bands and fractional quantum Hall states at zero magnetic field

J Dong, T Wang, T Wang, T Soejima, MP Zaletel… - Physical Review Letters, 2024 - APS
Recent experiments on rhombohedral pentalayer graphene with a substrate-induced moiré
potential have identified both Chern insulators and fractional quantum Hall states at zero …

Pressure-enhanced fractional Chern insulators along a magic line in moiré transition metal dichalcogenides

N Morales-Durán, J Wang, GR Schleder, M Angeli… - Physical Review …, 2023 - APS
We show that pressure applied to twisted WSe 2 can enhance the many-body gap and
region of stability of a fractional Chern insulator at filling ν= 1/3. Our results are based on …

Realization of the Haldane Chern insulator in a moiré lattice

W Zhao, K Kang, Y Zhang, P Knüppel, Z Tao, L Li… - Nature Physics, 2024 - nature.com
The Chern insulator displays a quantized Hall effect without Landau levels. Theoretically,
this state can be realized by engineering complex next-nearest-neighbour hopping in a …

Mapping twist-tuned multiband topology in bilayer WSe2

BA Foutty, CR Kometter, T Devakul, AP Reddy… - Science, 2024 - science.org
Semiconductor moiré superlattices have been shown to host a wide array of interaction-
driven ground states. However, twisted homobilayers have been difficult to study in the limit …

Interaction-Driven Topological Phase Diagram of Twisted Bilayer

WX Qiu, B Li, XJ Luo, F Wu - Physical Review X, 2023 - APS
Twisted bilayer MoTe 2 is a promising platform to investigate the interplay between band
topology and many-body interactions. We present a theoretical study of its interaction-driven …

Band mixing in the quantum anomalous Hall regime of twisted semiconductor bilayers

A Abouelkomsan, AP Reddy, L Fu, EJ Bergholtz - Physical Review B, 2024 - APS
Remarkable recent experiments have observed fractional quantum anomalous Hall effects
at zero field and unusually high temperatures in twisted semiconductor bilayer t MoTe 2 …

Integer and fractional Chern insulators in twisted bilayer MoTe2

Y Zeng, Z Xia, K Kang, J Zhu, P Knüppel… - arXiv preprint arXiv …, 2023 - arxiv.org
Chern insulators, which are the lattice analogs of the quantum Hall states, can potentially
manifest high-temperature topological orders at zero magnetic field to enable next …

1/4 is the new 1/2 when topology is intertwined with Mottness

P Mai, J Zhao, BE Feldman, PW Phillips - Nature communications, 2023 - nature.com
In non-interacting systems, bands from non-trivial topology emerge strictly at half-filling and
exhibit either the quantum anomalous Hall or spin Hall effects. Here we show using …

Giant spin Hall effect in AB-stacked MoTe2/WSe2 bilayers

Z Tao, B Shen, W Zhao, NC Hu, T Li, S Jiang… - Nature …, 2024 - nature.com
The spin Hall effect (SHE), in which an electrical current generates a transverse spin current,
plays an important role in spintronics for the generation and manipulation of spin-polarized …