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	Energy spectrum of dirac electrons on the surface of a topological insulator modulated by a spiral magnetization superlattice
	Zhai, Feng1,2; Mu, Peiyan3,4; Chang, Kai5
刊名	Physical review b
	2011-05-02
卷号	83期号:19页码:6
ISSN号	1098-0121
DOI	10.1103/physrevb.83.195402
通讯作者	Zhai, feng()
英文摘要	We investigate the effect of a spiral magnetization superlattice on the surface electronic states of a three-dimensional topological insulator. it is shown that the energy spectrum of this superlattice system has only two dirac points but many semi-dirac points. the effective hamiltonian near those points is expressed in terms of the spiral wave vector and the modulation amplitude. near semi-dirac points the band is linear along the spiral direction and quadratic along the transverse direction. there are two types of semi-dirac points, which are distinguished by the number of parabolic bands passing them.
WOS研究方向	Physics
WOS类目	Physics, Condensed Matter
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000290120300007
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2428397
专题	半导体研究所
通讯作者	Zhai, Feng
作者单位	1.Zhejiang Normal Univ, Ctr Stat & Theoret Condensed Matter Phys, Jinhua 321004, Peoples R China 2.Zhejiang Normal Univ, Dept Phys, Jinhua 321004, Peoples R China 3.Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China 4.Dalian Univ Technol, Coll Adv Sci & Technol, Dalian 116024, Peoples R China 5.Chinese Acad Sci, Inst Semicond, SKLSM, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Zhai, Feng,Mu, Peiyan,Chang, Kai. Energy spectrum of dirac electrons on the surface of a topological insulator modulated by a spiral magnetization superlattice[J]. Physical review b,2011,83(19):6.
APA	Zhai, Feng,Mu, Peiyan,&Chang, Kai.(2011).Energy spectrum of dirac electrons on the surface of a topological insulator modulated by a spiral magnetization superlattice.Physical review b,83(19),6.
MLA	Zhai, Feng,et al."Energy spectrum of dirac electrons on the surface of a topological insulator modulated by a spiral magnetization superlattice".Physical review b 83.19(2011):6.

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