二维陈绝缘体(2D Chern Insulator)：Qi-Wu-Zhang（QWZ）模型
qwz模型的边缘态 如何做出它的边缘态呢？ 直接的想法就是进行一个完全的模拟， N_x,N_y 取有限值，求解它的能带看是否具有edge state，这种想法原则上是OK的，可以去做，但问题在于 …
Something about Qi-Wu-Zhang model by Mathematica - 知乎 - 知 …
Asboth那本short course对于 拓扑绝缘体 的dimension extension的一个绝佳例子就是用Rice-Mele model 到 Qi-Wu-Zhang model 的过渡来展示的，书中的表6.1对此讲述的很明确： 体 哈密顿 可 …
开边界体系谱函数的计算 - 知乎 - 知乎专栏
QWZ model 的图像，(N,M)=(20,20) 我们能看出来能量的分布（因为这个与混合边条在 E 轴上的投影类似）和边界态，但是得到的信息还是比较少，比如我们想研究上面模型中能隙中的 狄拉 …
A Short Course on Topological Insulators: Band-structure topology and edge states in one and two dimensions, arXiv:1509.02295v1 (9.9. 2015)
Gapless Edge-Modes and Topology in the Qi-Wu-Zhang Model:
Our aim in this paper is to explain the appearance of chiral edge-modes in the nontrivial phase of a 2D Chern insulator, namely the Qi-Wu-Zhang (QWZ) model [5], and develop a method for …
Two-Dimensional Chern Insulators: The Qi-Wu-Zhang Model
2016年2月23日 · To illustrate the concepts of Chern insulators, we will use a toy model introduced by Qi, Wu and Zhang [24], which we call the QWZ model. This model is also important …
Realization of Qi-Wu-Zhang model in spin-orbit-coupled ultracold ...
2023年1月17日 · Based on the optical Raman lattice technique, we experimentally realize the Qi-Wu-Zhang model for the quantum anomalous Hall phase in ultracold fermions with two …
Our aim in this paper is to explain the appearance of chiral edge-modes in the nontrivial phase of a 2D Chern insulator, namely the Qi-Wu-Zhang(QWZ) model [5], and develop a method for …
• Foundation of QWZ model is the adiabatic smooth pump sequence of the Rice-Mele model • Transformed from a 1D time dependant Hamiltonian to a 2D in bulk momentum space • Cyclic …
二维陈绝缘体拓扑相变的剖析,arXiv - PHYS - X-MOL科学 ...
阐述了陈绝缘体二维模型（即 Qi-Wu-Zhang (QWZ) 模型）中拓扑相变的开始，特别强调了手征边缘模式的出现。 通过使用称为维度扩展的技术分析一维电荷泵等效模型中的边缘状态动态来 …
- 某些结果已被删除