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Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells. / Dziom, V.; Shuvaev, A.; Gospodarič, J. et al.

In: Physical Review B, Vol. 106, No. 4, 045302, 15.07.2022.

Research output: Contribution to journal › Article › peer-review

Harvard

Dziom, V, Shuvaev, A, Gospodarič, J, Novik, EG, Dobretsova, AA, Mikhailov, NN, Kvon, ZD, Alpichshev, Z & Pimenov, A 2022, 'Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells', Physical Review B, vol. 106, no. 4, 045302. https://doi.org/10.1103/PhysRevB.106.045302

APA

Dziom, V., Shuvaev, A., Gospodarič, J., Novik, E. G., Dobretsova, A. A., Mikhailov, N. N., Kvon, Z. D., Alpichshev, Z., & Pimenov, A. (2022). Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells. Physical Review B, 106(4), [045302]. https://doi.org/10.1103/PhysRevB.106.045302

Vancouver

Dziom V, Shuvaev A, Gospodarič J, Novik EG, Dobretsova AA, Mikhailov NN et al. Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells. Physical Review B. 2022 Jul 15;106(4):045302. doi: 10.1103/PhysRevB.106.045302

Author

Dziom, V. ; Shuvaev, A. ; Gospodarič, J. et al. / Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells. In: Physical Review B. 2022 ; Vol. 106, No. 4.

BibTeX

@article{9b6f5ca7645f406a87092d6f0e32b20c,
title = "Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells",
abstract = "Spin-orbit coupling in thin HgTe quantum wells results in a relativistic-like electron band structure, making it a versatile solid state platform to observe and control nontrivial electrodynamic phenomena. Here we report an observation of universal terahertz (THz) transparency determined by fine-structure constant α≈1/137 in 6.5-nm-thick HgTe layer, close to the critical thickness separating phases with topologically different electronic band structure. Using THz spectroscopy in a magnetic field we obtain direct evidence of asymmetric spin splitting of the Dirac cone. This particle-hole asymmetry facilitates optical control of edge spin currents in the quantum wells. ",
author = "V. Dziom and A. Shuvaev and J. Gospodari{\v c} and Novik, {E. G.} and Dobretsova, {A. A.} and Mikhailov, {N. N.} and Kvon, {Z. D.} and Z. Alpichshev and A. Pimenov",
note = "Funding Information: This work was supported by the Austrian Science Funds (W 1243, I 3456-N27, I 5539-N). Publisher Copyright: {\textcopyright} 2022 authors. Published by the American Physical Society.",
year = "2022",
month = jul,
day = "15",
doi = "10.1103/PhysRevB.106.045302",
language = "English",
volume = "106",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - Universal transparency and asymmetric spin splitting near the Dirac point in HgTe quantum wells

AU - Dziom, V.

AU - Shuvaev, A.

AU - Gospodarič, J.

AU - Novik, E. G.

AU - Dobretsova, A. A.

AU - Mikhailov, N. N.

AU - Kvon, Z. D.

AU - Alpichshev, Z.

AU - Pimenov, A.

N1 - Funding Information: This work was supported by the Austrian Science Funds (W 1243, I 3456-N27, I 5539-N). Publisher Copyright: © 2022 authors. Published by the American Physical Society.

PY - 2022/7/15

Y1 - 2022/7/15

N2 - Spin-orbit coupling in thin HgTe quantum wells results in a relativistic-like electron band structure, making it a versatile solid state platform to observe and control nontrivial electrodynamic phenomena. Here we report an observation of universal terahertz (THz) transparency determined by fine-structure constant α≈1/137 in 6.5-nm-thick HgTe layer, close to the critical thickness separating phases with topologically different electronic band structure. Using THz spectroscopy in a magnetic field we obtain direct evidence of asymmetric spin splitting of the Dirac cone. This particle-hole asymmetry facilitates optical control of edge spin currents in the quantum wells.

AB - Spin-orbit coupling in thin HgTe quantum wells results in a relativistic-like electron band structure, making it a versatile solid state platform to observe and control nontrivial electrodynamic phenomena. Here we report an observation of universal terahertz (THz) transparency determined by fine-structure constant α≈1/137 in 6.5-nm-thick HgTe layer, close to the critical thickness separating phases with topologically different electronic band structure. Using THz spectroscopy in a magnetic field we obtain direct evidence of asymmetric spin splitting of the Dirac cone. This particle-hole asymmetry facilitates optical control of edge spin currents in the quantum wells.

UR - http://www.scopus.com/inward/record.url?scp=85134875267&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.106.045302

DO - 10.1103/PhysRevB.106.045302

M3 - Article

AN - SCOPUS:85134875267

VL - 106

JO - Physical Review B

JF - Physical Review B

SN - 2469-9950

IS - 4

M1 - 045302

ER -

ID: 36709549