Fractional Chern Insulator in Twisted Bilayer
A recent experiment has reported the first observation of a zero-field fractional Chern
insulator (FCI) phase in twisted bilayer MoTe 2 moiré superlattices [J. Cai, Signatures of …
insulator (FCI) phase in twisted bilayer MoTe 2 moiré superlattices [J. Cai, Signatures of …
Evidence of the fractional quantum spin Hall effect in moiré MoTe2
Quantum spin Hall (QSH) insulators are two-dimensional electronic materials that have a
bulk band gap similar to an ordinary insulator but have topologically protected pairs of edge …
bulk band gap similar to an ordinary insulator but have topologically protected pairs of edge …
[HTML][HTML] Polarization-driven band topology evolution in twisted MoTe2 and WSe2
Motivated by recent experimental observations of opposite Chern numbers in R-type twisted
MoTe2 and WSe2 homobilayers, we perform large-scale density-functional-theory …
MoTe2 and WSe2 homobilayers, we perform large-scale density-functional-theory …
Contrasting twisted bilayer graphene and transition metal dichalcogenides for fractional Chern insulators: An emergent gauge picture
The recent experimental discovery of the zero-field fractional Chern insulator (FCI) in twisted
MoTe 2 moiré superlattices has sparked immense interest in this exotic topological quantum …
MoTe 2 moiré superlattices has sparked immense interest in this exotic topological quantum …
Moiré fractional Chern insulators. II. First-principles calculations and continuum models of rhombohedral graphene superlattices
J Herzog-Arbeitman, Y Wang, J Liu, PM Tam, Z Qi… - Physical Review B, 2024 - APS
The experimental discovery of fractional Chern insulators (FCIs) in rhombohedral pentalayer
graphene twisted on hexagonal boron nitride (hBN) has preceded theoretical prediction …
graphene twisted on hexagonal boron nitride (hBN) has preceded theoretical prediction …
Moir\'e Fractional Chern Insulators III: Hartree-Fock Phase Diagram, Magic Angle Regime for Chern Insulator States, the Role of the Moir\'e Potential and Goldstone …
We investigate in detail the $\nu=+ 1$ displacement-field-tuned interacting phase diagram of
$ L= 3, 4, 5, 6, 7$ layer rhombohedral graphene aligned to hBN (R $ L $ G/hBN). Our …
$ L= 3, 4, 5, 6, 7$ layer rhombohedral graphene aligned to hBN (R $ L $ G/hBN). Our …
Higher vortexability: zero field realization of higher Landau levels
The rise of moir\'{e} materials has led to experimental realizations of integer and fractional
Chern insulators in small or vanishing magnetic fields. At the same time, a set of minimal …
Chern insulators in small or vanishing magnetic fields. At the same time, a set of minimal …
Bridging the small and large in twisted transition metal dicalcogenide homobilayers: a tight binding model capturing orbital interference and topology across a wide …
Many of the important phases observed in twisted transition metal dichalcogenide
homobilayers are driven by short-range interactions, which should be captured by a local …
homobilayers are driven by short-range interactions, which should be captured by a local …
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 …
Direct magnetic imaging of fractional Chern insulators in twisted MoTe with a superconducting sensor
In the absence of time reversal symmetry, orbital magnetization provides a sensitive probe of
topology and interactions, with particularly rich phenomenology in Chern insulators where …
topology and interactions, with particularly rich phenomenology in Chern insulators where …