Chiral approximation to twisted bilayer graphene: Exact intravalley inversion symmetry, nodal structure, and implications for higher magic angles
This paper presents a mathematical and numerical analysis of the flat-band wave functions occurring in the chiral model of twisted bilayer graphene at the “magic” twist angles. We show that the chiral model possesses an exact intravalley inversion symmetry. Writing the flat-band wave function as a p...
Main Authors: | Jie Wang, Yunqin Zheng, Andrew J. Millis, Jennifer Cano |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2021-05-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.3.023155 |
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