Hybrid Weyl semimetal

被引：54

作者：

Li, Fei-Ye ^{[1
]}

Luo, Xi ^{[1
]}

Dai, Xi ^{[2
,3
]}

Yu, Yue ^{[4
,6
]}

Zhang, Fan ^{[5
]}

Chen, Gang ^{[4
,6
]}

机构：

[1] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China

[3] Chinese Acad Sci, Inst Phys, Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China

[4] Fudan Univ, Dept Phys, Ctr Field Theory & Particle Phys, State Key Lab Surface Phys, Shanghai 200433, Peoples R China

[5] Univ Texas Dallas, Dept Phys, Richardson, TX 75080 USA

[6] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.94.121105

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We construct a tight-binding model realizing one pair of Weyl nodes and three distinct Weyl semimetals. In the type-I (type-II) Weyl semimetal, both nodes belong to type-I (type-II) Weyl nodes. In addition, there exists a third type, previously undiscovered and dubbed "hybrid Weyl semimetal", in which one Weyl node is of type I while the other is of type II. For the hybrid Weyl semimetal, we further demonstrate the bulk Fermi surfaces and the topologically protected surface states, analyze the unique Landau-level structure and quantum oscillation, and discuss the conditions for possible material realization.

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页数：5

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