Surface charge conductivity of a topological insulator in a magnetic field: The effect of hexagonal warping
R. S. Akzyanov
1, 2
,
Aleksandr L. Rakhmanov
1, 2, 3
Publication type: Journal Article
Publication date: 2018-02-16
scimago Q1
wos Q2
SJR: 1.303
CiteScore: 6.2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
We investigate the influence of the hexagonal warping on the transport properties of the topological insulators. We study the charge conductivity within Kubo formalism in the first Born approximation using low energy expansion of the Hamiltonian near the Dirac point. The effects of disorder, magnetic field and chemical potential value are analyzed in details. We found that the presence of the hexagonal warping effects significantly the conductivity of the topological insulator. In particular, it gives rise to the growth of the longitudinal conductivity with the increase of the disorder and anisotropic anomalous in-plane magnetoresistance. The hexagonal warping also affects the quantum anomalous Hall effect and anomalous out-of-plane magnetoresistance. The obtained results are consistent with the experimental data.
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Metrics
27
Total citations:
27
Citations from 2024:
4
(14%)
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Akzyanov R. S. et al. Surface charge conductivity of a topological insulator in a magnetic field: The effect of hexagonal warping // Physical Review B. 2018. Vol. 97. No. 7. 075421
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Akzyanov R. S., Rakhmanov A. L. Surface charge conductivity of a topological insulator in a magnetic field: The effect of hexagonal warping // Physical Review B. 2018. Vol. 97. No. 7. 075421
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TY - JOUR
DO - 10.1103/PhysRevB.97.075421
UR - https://doi.org/10.1103/PhysRevB.97.075421
TI - Surface charge conductivity of a topological insulator in a magnetic field: The effect of hexagonal warping
T2 - Physical Review B
AU - Akzyanov, R. S.
AU - Rakhmanov, Aleksandr L.
PY - 2018
DA - 2018/02/16
PB - American Physical Society (APS)
IS - 7
VL - 97
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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@article{2018_Akzyanov,
author = {R. S. Akzyanov and Aleksandr L. Rakhmanov},
title = {Surface charge conductivity of a topological insulator in a magnetic field: The effect of hexagonal warping},
journal = {Physical Review B},
year = {2018},
volume = {97},
publisher = {American Physical Society (APS)},
month = {feb},
url = {https://doi.org/10.1103/PhysRevB.97.075421},
number = {7},
pages = {075421},
doi = {10.1103/PhysRevB.97.075421}
}