Phase transition between the quantum spin Hall and insulator phases in 3D: emergence of a topological gapless phase

被引：1046

作者：

Murakami, Shuichi ^{[1
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

来源：

NEW JOURNAL OF PHYSICS | 2007年 / 9卷

关键词：

D O I：

10.1088/1367-2630/9/9/356

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Phase transitions between the quantum spin Hall ( QSH) and the insulator phases in three dimensions ( 3D) are studied. We find that in inversion-asymmetric systems there appears a gapless phase between the QSH and insulator phases in 3D which is in contrast with the 2D case. Existence of this gapless phase stems from a topological nature of gapless points ( diabolical points) in 3D, but not in 2D.

引用

页数：15

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