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Symmetry of Electron Bands in Graphene: (Nearly) Free Electron Versus Tight‐Binding
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.6 ) Pub Date : 2020-10-22 , DOI: 10.1002/pssb.202000504
Eugene Kogan 1, 2 , Vyacheslav M. Silkin 3, 4, 5
Affiliation  

The symmetry labeling of all electron bands in graphene obtained by combining numerical band calculations and analytical analysis based on group theory is presented. The latter is performed both in the framework of the (nearly) free electron model, or in the framework of the tight‐binding model. The predictions about relative positions of the bands which can be made on the basis of each of the models just using the group theory (and additional simple qualitative arguments, if necessary) are complimentary.

中文翻译:

石墨烯中电子带的对称性:(几乎)自由电子与紧密结合

结合数值能带计算和基于群论的解析分析,给出了石墨烯中所有电子能带的对称标记。后者是在(几乎)自由电子模型的框架内或在紧密结合模型的框架内进行的。可以仅使用组理论(以及必要时附加的简单定性论据)就可以在每个模型的基础上进行的有关带的相对位置的预测。
更新日期:2020-10-22
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