Moiré fractional Chern insulators. I. First-principles calculations and continuum models of twisted bilayer
Recent experiments observed fractional Chern insulators (FCI) in twisted bilayer MoTe 2 at
zero magnetic field, yet even the single-particle model of this material is controversial …
zero magnetic field, yet even the single-particle model of this material is controversial …
Adiabatic approximation and Aharonov-Casher bands in twisted homobilayer transition metal dichalcogenides
Topological flat moiré bands with nearly ideal quantum geometry have been identified in
homobilayer transition metal dichalcogenide moiré superlattices, and are thought to be …
homobilayer transition metal dichalcogenide moiré superlattices, and are thought to be …
Fractional quantum anomalous Hall effect in rhombohedral multilayer graphene in the moiréless limit
The standard theoretical framework for fractional quantum anomalous Hall (FQAH) effect
assumes an isolated flat Chern band in the single particle level. In this Letter, we challenge …
assumes an isolated flat Chern band in the single particle level. In this Letter, we challenge …
Extended quantum anomalous Hall effect in moiré structures: Phase transitions and transport
Recent experiments on multilayer rhombohedral graphene have unearthed a number of
interesting phenomena in the regime where integer and fractional quantum anomalous Hall …
interesting phenomena in the regime where integer and fractional quantum anomalous Hall …
Non-Abelian and Abelian descendants of a vortex spin liquid: Fractional quantum spin Hall effect in twisted
YH Zhang - Physical Review B, 2024 - APS
The recent experimental observation of a potentially fractional quantum spin Hall (FQSH)
state in the twisted MoTe 2 system has sparked theoretical explorations at total filling ν T= 1 …
state in the twisted MoTe 2 system has sparked theoretical explorations at total filling ν T= 1 …
Trion sensing of a zero-field composite Fermi liquid
The half-filled lowest Landau level is a fascinating platform for researching interacting
topological phases. A celebrated example is the composite Fermi liquid, a non-Fermi liquid …
topological phases. A celebrated example is the composite Fermi liquid, a non-Fermi liquid …
Attractive Haldane bilayers for trap** non-Abelian anyons
We study the interplay between intrinsic topological order and superconductivity in a two-
component Haldane bilayer, where the two layers are coupled by an attractive force. We …
component Haldane bilayer, where the two layers are coupled by an attractive force. We …
From fractional quantum anomalous Hall smectics to polar smectic metals: nontrivial interplay between electronic liquid crystal order and topological order in …
Symmetry-breaking orders can not only compete with each other, but also be intertwined,
and the intertwined topological and symmetry-breaking orders make the situation more …
and the intertwined topological and symmetry-breaking orders make the situation more …
Moore-Read state in half-filled moiré Chern band from three-body pseudopotential
L Zhang, XY Song - Physical Review B, 2024 - APS
The moiré system provides a tunable platform for exploring exotic phases of materials. This
article shows the possible realization of a non-Abelian state characterized by the Moore …
article shows the possible realization of a non-Abelian state characterized by the Moore …
Corner charge fluctuations and many-body quantum geometry
In many-body systems with U (1) global symmetry, the charge fluctuations in a subregion
reveal important insights into entanglement and other global properties. For subregions with …
reveal important insights into entanglement and other global properties. For subregions with …