Fermi surface interconnectivity and topology in Weyl fermion semimetals TaAs, TaP, NbAs, and NbP

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Title:	Fermi surface interconnectivity and topology in Weyl fermion semimetals TaAs, TaP, NbAs, and NbP
Authors:	Lee, Chi-Cheng;Xu, Su-Yang;Huang, Shin-Ming;Sanchez, Daniel S.;Belopolski, Ilya;Chang, Guoqing;Bian, Guang;Alidoust, Nasser;Zheng, Hao;Neupane, Madhab;Wang, Baokai;Bansil, Arun;Hasan, M. Zahid;Lin, Hsin
Date:	2015-12
Issue Date:	2019-10-01 12:10:26 (UTC+8)
Abstract:	The family of binary compounds including TaAs, TaP, NbAs, and NbP was recently discovered as the first realization of Weyl semimetals. In order to develop a comprehensive description of the charge carriers in these Weyl semimetals, we performed detailed and systematic electronic band structure calculations which reveal the nature of Fermi surfaces and their complex interconnectivity in TaAs, TaP, NbAs, and NbP. Our work reports a comparative and comprehensive study of Fermi surface topology and band structure details of all known members of the Weyl semimetal family and hence provides the fundamental knowledge for realizing the many predicted exotic topological quantum physics of Weyl semimetals based on the TaAs class of materials.
Relation:	Phys. Rev. B 92(23), p.235104
DOI:	10.1103/PhysRevB.92.235104
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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