zybbigpy / TAPW

Tight Binding Model of TBG

Truncated Atomic Plane Wave Method

Features

• Tight Binding Solver for TBG problem: TBPLW, TBFULL, TBSPARSE methods implemented.
• Continumm model solver.
• Different TB method band structure comparison.
• Moire potential Analysis.
• Valley Chern number calculation.
• $C_3$ symmetry constrain.

Dependent Module

Our development is based on SciPy, Numpy, Sklearn, Pybinding and matplotlib.

RoadMap

Reference and Citation

1. For continuum model, refer to this PRX paper by Koshino.
2. For TAPW please cite this arxiv paper:

@misc{2210.02026,
Author = {Wangqian Miao and Chu Li and Ding Pan and Xi Dai},
Title = {Truncated Atomic Plane Wave Method for the Subband Structure Calculations of Moiré Systems},
Year = {2022},
Eprint = {arXiv:2210.02026},
}