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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收藏
页数：5
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