TY - JOUR
T1 - Quasiparticle interference on type-i and type-ii weyl semimetal surfaces
T2 - A review
AU - Zheng, Hao
AU - Hasan, M. Zahid
N1 - Funding Information:
This work was supported by the National Natural Science Foundation of China [grant number 11674226], [grant number 11790313]; National Key Research and Development Program of China [grant numer 2016YFA0300403]; Gordon and Betty Moore Foundations [grant number GBMF4547]; and U.S. National Science Foundation (NSF) [grant number NSFDMR-1006492].
Funding Information:
We thank S. Zhang, S. Huang, and S. Xu for the helpful discussions. H.Z. acknowledges the financial support from National Natural Science Foundation of China (grant nos. 11674226, 11790313) and the National Key Research and Development Program of China (2016YFA0300403). M.Z.H. acknowledges the Gordon and Betty Moore Foundations EPiQS Initiative through Grant GBMF4547 and U.S. National Science Foundation (NSF) grant no. NSF DMR-1006492.This work was supported by the National Natural Science Foundation of China [grant number 11674226], [grant number 11790313]; National Key Research and Development Program of China [grant numer 2016YFA0300403]; Gordon and Betty Moore Foundations [grant number GBMF4547]; and U.S. National Science Foundation (NSF) [grant number NSFDMR-1006492].
Funding Information:
We thank S. Zhang, S. Huang, and S. Xu for the helpful discussions. H.Z. acknowledges the financial support from National Natural Science Foundation of China (grant nos. 11674226, 11790313) and the National Key Research and Development Program of China (2016YFA0300403). M.Z.H. acknowledges the Gordon and Betty Moore Foundations EPiQS Initiative through Grant GBMF4547 and U.S. National Science Foundation (NSF) grant no. NSFDMR-1006492.
Publisher Copyright:
© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
PY - 2018/1/1
Y1 - 2018/1/1
N2 - Weyl semimetals are a new member of the topological materials family, featuring a pair of singly degenerate Weyl cones with linear dispersion around the nodes in the bulk, and Fermi arcs on the surface. Depending on whether the system conserves or violates Lorentz symmetry, Weyl semimetals can be categorized into two classes. Photoemission spectroscopy measurements have confirmed the TaAs class and WTe 2 class of Weyl semimetals as type-I and type-II, respectively. This review article aims to elucidate and elaborate on the basic concepts of Weyl semimetals and quasiparticle interference experiments on both type-I and type-II Weyl semimetals. The versatile results which reveal (1) the topological sink effect of the surface carriers, the unique feature of the Fermi arc state; (2) the weakly bound nature of the Fermi arc surface state; (3) the orbital-dependent scattering channels on the surface; (4) a mirror symmetry-protected surface Dirac cone, are summarily discussed. Finally, a perspective toward the future applications of quasiparticle interference techniques on topological materials is presented.
AB - Weyl semimetals are a new member of the topological materials family, featuring a pair of singly degenerate Weyl cones with linear dispersion around the nodes in the bulk, and Fermi arcs on the surface. Depending on whether the system conserves or violates Lorentz symmetry, Weyl semimetals can be categorized into two classes. Photoemission spectroscopy measurements have confirmed the TaAs class and WTe 2 class of Weyl semimetals as type-I and type-II, respectively. This review article aims to elucidate and elaborate on the basic concepts of Weyl semimetals and quasiparticle interference experiments on both type-I and type-II Weyl semimetals. The versatile results which reveal (1) the topological sink effect of the surface carriers, the unique feature of the Fermi arc state; (2) the weakly bound nature of the Fermi arc surface state; (3) the orbital-dependent scattering channels on the surface; (4) a mirror symmetry-protected surface Dirac cone, are summarily discussed. Finally, a perspective toward the future applications of quasiparticle interference techniques on topological materials is presented.
KW - Fermi arc
KW - Quasiparticle interference
KW - Scanning tunneling microscopy
KW - Weyl semimetal
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U2 - 10.1080/23746149.2018.1466661
DO - 10.1080/23746149.2018.1466661
M3 - Review article
AN - SCOPUS:85054394072
SN - 2374-6149
VL - 3
SP - 569
EP - 591
JO - Advances in Physics: X
JF - Advances in Physics: X
IS - 1
M1 - 1466661
ER -