Non-Abelian fractionalization in topological minibands
Motivated by the recent discovery of fractional quantum anomalous Hall states in moiré
systems, we consider the possibility of realizing non-Abelian phases in topological …
systems, we consider the possibility of realizing non-Abelian phases in topological …
Spinon Pairing Induced by Chiral In-Plane Exchange and the Stabilization of Odd-Spin Chern Number Spin Liquid in Twisted
The unusual structure and symmetry of low-energy states in twisted transition metal
dichalcogenides leads to large in-plane spin-exchange interactions between spin-valley …
dichalcogenides leads to large in-plane spin-exchange interactions between spin-valley …
Non-Abelian Fractional Chern Insulators and Competing States in Flat Moir\'e Bands
Breakthrough experiments have recently realized fractional Chern insulators (FCIs) in
moir\'e materials. However, all states observed are Abelian, the possible existence of more …
moir\'e materials. However, all states observed are Abelian, the possible existence of more …
Interplay of electronic crystals with integer and fractional Chern insulators in moir\'e pentalayer graphene
The rapid development of moir\'e quantum matter has recently led to the remarkable
discovery of the fractional quantum anomalous Hall effect, and sparked predictions of other …
discovery of the fractional quantum anomalous Hall effect, and sparked predictions of other …
Hofstadter spectrum of Chern bands in twisted transition metal dichalcogenides
K Kolář, K Yang, F von Oppen, C Mora - Physical Review B, 2024 - APS
We study the topological bands in twisted bilayer transition metal dichalcogenides in an
external magnetic field. We first focus on a paradigmatic model of WSe 2, which can be …
external magnetic field. We first focus on a paradigmatic model of WSe 2, which can be …
Variational Mapping of Chern Bands to Landau Levels: Application to Fractional Chern Insulators in Twisted MoTe
B Li, F Wu - arXiv preprint arXiv:2405.20307, 2024 - arxiv.org
We present a theoretical study of mapping between Chern bands and generalized Landau
levels in twisted bilayer MoTe $ _2 $, where fractional Chern insulators have been …
levels in twisted bilayer MoTe $ _2 $, where fractional Chern insulators have been …
Non-Abelian spin Hall insulator
A Abouelkomsan, L Fu - arXiv preprint arXiv:2406.14617, 2024 - arxiv.org
Motivated by a recent experiment reporting the fractional quantum spin Hall effect in twisted
${\rm MoTe} _2 $, we investigate microscopically the prospects of realizing exotic …
${\rm MoTe} _2 $, we investigate microscopically the prospects of realizing exotic …
Topological quantum phase transitions driven by displacement fields in the twisted MoTe2 bilayers
We study twisted bilayer MoTe $ _2 $ systems at fractional fillings of the lowest hole band
under applied out-of-plane displacement fields. By employing exact diagonalization in finite …
under applied out-of-plane displacement fields. By employing exact diagonalization in finite …
Floquet formalism for tunable optically induced orbital magnetization in twisted bilayers
J Dong, Z Lin, BL Gu, W Duan - Physical Review B, 2024 - APS
Substantial interest has been sparked by experimental observations of spontaneous orbital
magnetism in moiré materials and multilayer graphene, with a particular focus on …
magnetism in moiré materials and multilayer graphene, with a particular focus on …
Fractional Chern insulator candidate on a twisted bilayer checkerboard lattice
We investigate a fractional Chern insulator (FCI) candidate arising from moiré bands with
higher Chern number C= 2 on a magic-angle twisted bilayer checkerboard lattice …
higher Chern number C= 2 on a magic-angle twisted bilayer checkerboard lattice …