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 …
Non-Abelian fractional quantum anomalous Hall states and first Landau level physics of the second moiré band of twisted bilayer
Utilizing the realistic continuum description of twisted bilayer MoTe 2 and many-body exact
diagonalization calculation, we establish that the second moiré band of twisted bilayer MoTe …
diagonalization calculation, we establish that the second moiré band of twisted bilayer MoTe …
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 …
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 …
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 …
Composite helical edges from Abelian fractional topological insulators
We study low-temperature phases and edge-state conductance of an interacting composite
(1+ 1/n) Abelian helical edge state made of a regular helical liquid carrying charge e and a …
(1+ 1/n) Abelian helical edge state made of a regular helical liquid carrying charge e and a …
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 …
Higher Landau-Level Analogues and Signatures of Non-Abelian States in Twisted Bilayer MoTe
Recent experimental discovery of fractional Chern insulators at zero magnetic field in moir\'e
superlattices has sparked intense interests in bringing Landau level physics to flat Chern …
superlattices has sparked intense interests in bringing Landau level physics to flat Chern …
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 …
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 …