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Level-spectra Statistics in Planar Fractal Tight-Binding Models
Qi Yao, Xiao-Tian Yang, Askar A. Iliasov +2
In this communication, we study the level-spectra statistics when a noninteracting electron gas is confined in \textit{Sierpiński Carpet} (\textit{SC}) lattices. These \textit{SC}…
Electronic properties of twisted bilayer graphene suspended and encapsulated with hexagonal boron nitride
Min Long, Zhen Zhan, Pierre A. Pantaleón +3
The recent observed anomalous Hall effect in magic angle twisted bilayer graphene (TBG) aligned to hexagonal boron nitride (hBN) and unconventional ferroelectricity in Bernal bilay…
Commensurate and incommensurate double moiré interference in twisted trilayer graphene
Hai Meng, Zhen Zhan, Shengjun Yuan
Twisted graphene multi-layers have been recently demonstrated to share several correlation-driven behaviours with twisted bilayer graphene. In general, the van Hove singularities (…
TBPLaS: a Tight-Binding Package for Large-scale Simulation
Yunhai Li, Zhen Zhan, Xueheng Kuang +2
TBPLaS is an open-source software package for the accurate simulation of physical systems with arbitrary geometry and dimensionality utilizing the tight-binding (TB) theory. It has…
Tailoring Dirac fermions by in-situ tunable high-order moire pattern in graphene-monolayer xenon heterostructure
Chunlong Wu, Qiang Wan, Cao Peng +8
A variety of novel quantum phases have been achieved in twist bilayer graphene (tBLG) and other moire superlattices recently, including correlated insulators, superconductivity, ma…
A Time-Dependent Random State Approach for Large-scale Density Functional Calculations
Weiqing Zhou, Shengjun Yuan
We develop a self-consistent first-principle method based on the density functional theory. Physical quantities, such as the density of states, Fermi energy and electron density ar…