In a system with broken inversion symmetry, a second-order nonlinear Hall effect can survive even in the presence of time-reversal symmetry. In this work, we show that a giant nonlinear Hall effect can exist in twisted bilayer WTe2 system. The Berry curv
Gaps induced by inversion symmetry breaking and second-generation dirac cones in graphene/hexagonal boron nitride. Nat. Phys. 12, 1111–1115 (2016). Article Google Scholar Razado-Colambo, I. et al. Nanoarpes of twisted bilayer graphene on sic: Absence of velocity renormalization for small ...
The magic-angle phenomenon of twisted bilayer graphene (tBG), i.e, the nontrivial topological flat bands with vanishing Fermi velocity at half filling, has aroused prominent attention on superconductivity, correlated insulators, orbital magnetism, etc. Several efforts have been made to unravel the ...
When a single layer of graphene is stacked together to form bilayer graphene, just like vdWHs, especially when the lattice of the upper and lower layers is twisted, the superlattice is formed. The novel electronic...
Near the magic angle, strong correlations drive many intriguing phases in twisted bilayer graphene (tBG) including unconventional superconductivity and chern insulation. Whether correlations can tune symmetry breaking phases in tBG at intermediate (greater than or similar to 2 degrees) twist angles remai...
Angle disorder is an intrinsic feature of twisted bilayer graphene and other moiré materials. Here, we discuss electron transport in twisted bilayer graphene in the presence of angle disorder. We compute the local density of states and ... H Sainz-Cruz,T Cea,PA Pantaleón,... 被引量: 0发...
Twisted stacking of van der Waals materials introduces a new way in band-structure engineering and has given rise to numerous extraordinary physical phenomena. Despite the absence of second harmonic generation (SHG) in non-gated monolayer graphene, artificially twisted bilayer graphene (tBLG) possesses...
Twisted bilayer graphene with a strong interlayer coupling is a prototype of twisted heterostructure inheriting the intriguing electronic properties of graphene. Understanding the effects of the twist angle on its out-of-equilibrium optical properties is crucial for devising optoelectronic applications. ...
Magic-angle twisted bilayer graphene has recently become a thriving material platform realizing correlated electron phenomena taking place within its topological flat bands. Several numerical and analytical methods have been applied to understand the cor
The study of twisted bilayer 2D materials has revealed many interesting physics properties. A twisted moiré photonic crystal is an optical analog of twisted bilayer 2D materials. The optical properties in twisted photonic crystals have not yet been full