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Dirac semimetal and topological phase transitions in A(3)Bi (A = Na, K, Rb)
Z. J. Wang; Y. Sun; X. Q. Chen; C. Franchini; G. Xu; H. M. Weng; X. Dai; Z. Fang
2012
Source PublicationPhysical Review B
ISSN1098-0121
Volume85Issue:19
AbstractThree-dimensional (3D) Dirac point, where two Weyl points overlap in momentum space, is usually unstable and hard to realize. Here we show, based on the first-principles calculations and effective model analysis, that crystalline A(3)Bi (A = Na, K, Rb) are Dirac semimetals with bulk 3D Dirac points protected by crystal symmetry. They possess nontrivial Fermi arcs on the surfaces and can be driven into various topologically distinct phases by explicit breaking of symmetries. Giant diamagnetism, linear quantum magnetoresistance, and quantum spin Hall effect will be expected for such compounds.
description.department[wang, zhijun; xu, gang; weng, hongming; dai, xi; fang, zhong] chinese acad sci, beijing natl lab condensed matter phys, beijing 100190, peoples r china. [wang, zhijun; xu, gang; weng, hongming; dai, xi; fang, zhong] chinese acad sci, inst phys, beijing 100190, peoples r china. [sun, yan; chen, xing-qiu; franchini, cesare] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;wang, zj (reprint author), chinese acad sci, beijing natl lab condensed matter phys, beijing 100190, peoples r china.;hmweng@aphy.iphy.ac.cn; zfang@aphy.iphy.ac.cn
KeywordElectronic-structure Insulator Surface Bi2te3 Cone Hall
URL查看原文
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/60329
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. J. Wang,Y. Sun,X. Q. Chen,et al. Dirac semimetal and topological phase transitions in A(3)Bi (A = Na, K, Rb)[J]. Physical Review B,2012,85(19).
APA Z. J. Wang.,Y. Sun.,X. Q. Chen.,C. Franchini.,G. Xu.,...&Z. Fang.(2012).Dirac semimetal and topological phase transitions in A(3)Bi (A = Na, K, Rb).Physical Review B,85(19).
MLA Z. J. Wang,et al."Dirac semimetal and topological phase transitions in A(3)Bi (A = Na, K, Rb)".Physical Review B 85.19(2012).
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