Projective representation of D6 group in twisted bilayer graphene

• 作者: Noah F.Q. Yuan
• 来源期刊: 中国物理B（英文版）
• 年，卷（期）: 2021,（7）
• 所属期刊栏目: SPECIAL TOPIC—Twistronics
• 页码范围: 1-5
• 页数: 5页
• 语种: 英文
• DOI: 10.1088/1674-1056/ac00a3

摘要

Within the framework of continuum model,we study the projective representation of emergent D6 point group in twisted bilayer graphene.We then construct tight-binding models of the lowest bands without and with external electro-magnetic fields,based on the projective representation.