Numerical verification of topological crossings in band structure of solids

被引：4

作者：

Lee, G ^{[1
]}

Kim, JS

Zak, J

机构：

[1] Pohang Univ Sci & Technol POSTECH, Dept Phys, Pohang 790784, South Korea

[2] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2003年 / 15卷 / 12期

关键词：

D O I：

10.1088/0953-8984/15/12/317

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

There have been recent predictions of topologically unavoidable branch crossing in the energy band structure of solids. In this paper calculations of energy dispersion relations are carried out in a number of crystals with orthorhombic space group (SG) symmetry. Our calculations verify the topological crossings and are in good agreement with the predictions based on representations of SGs.

引用

页码：2005 / 2016

页数：12

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