Theory of angle-resolved photoemission spectroscopy in graphene-based moire superlattices

被引：7
|
作者：
Zhu, Jihang [1 ]
Shi, Jingtian [1 ]
MacDonald, Allan H. [1 ]
机构：
[1] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
来源：
PHYSICAL REVIEW B | 2021年 / 103卷 / 23期
基金：
美国国家科学基金会;
关键词：
TWISTED BILAYER GRAPHENE; MAGIC-ANGLE; ELECTRONIC-STRUCTURE; SYMMETRY-BREAKING; DIRAC FERMIONS; SUPERCONDUCTIVITY; EMERGENCE; MECHANISM; ORDER; GAPS;
D O I：
10.1103/PhysRevB.103.235146
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Graphene-based moire superlattices are now established as an interesting platform for strongly correlated many-electron physics, and they have so far been characterized mainly by transport and scanning tunneling microscopy (STM) measurements. Motivated by recent experimental progress, we present a theoretical model study whose aim is to assess the potential of angle-resolved photoemission spectroscopy (ARPES) to resolve some of the many open issues in these systems. The theory is developed specifically for graphene on hexagonal boron nitride (G/hBN) and twisted bilayer graphene (TBG) moire superlattices, but it is readily generalized to any system with active degrees of freedom in graphene sheets.
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页数：15
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