Institute of Electrical and Electronics Engineers (IEEE)

, volume 2021-August

Source and Localization of the PT-Symmetric Terahertz Photoconductivity in Topological Hg1-xCdxTe – Based Heterostructures

Aleksei Kazakov ¹

Alexandra V Galeeva ¹

Aleksei I Artamkin ¹

Anton V. Ikonnikov ¹

Ludmila I. Ryabova ²

S. A. Dvoretsky ³

Nikolai N. Mikhailov ³

Mikhail I Bannikov ⁴

Sergey Danilov ⁵

Dmitry R. Khokhlov ^{6, 7}

Hide authors affiliations Show authors affiliations: 7 affiliations

M.V. Lomonosov Moscow State University,Physics Department,Moscow,Russia,119991 |

M.V. Lomonosov Moscow State University,Chemistry Department,Moscow,Russia,119991 |

Siberian Branch of RAS,A.V. Rzhanov Institute of Semiconductor Physics,Novosibirsk,Russia,630090 |

⁴

P.N. Lebedev Physical Institute of RAS,Moscow,Russia,119991 |

⁵

University of Regensburg,Faculty of Physics,Regensburg,Germany,D-93053 |

⁶

M.V. Lomonosov Moscow State University, Moscow, Russia |

⁷

P.N. Lebedev Physical institute of RAS, Moscow, Russia |

Publication type: Proceedings Article

Publication date: 2021-08-29

Institute of Electrical and Electronics Engineers (IEEE)

DOI: 10.1109/IRMMW-THz50926.2021.9566891

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Abstract

We have shown that in heterostructures based on the topological phase Hg 1-x Cd x Te, the properties of two-dimensional topological states formed at the trivial buffer - topological film heterointerface differ from the states at the topological film - vacuum interface, and it is the former that are responsible for the appearance of PT-symmetric photoconductivity. It has been shown that the source of nonequilibrium electrons is the film bulk, while the place of manifestation of the effect is the trivial buffer - topological film heterointerface.

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Kazakov A. et al. Source and Localization of the PT-Symmetric Terahertz Photoconductivity in Topological Hg1-xCdxTe – Based Heterostructures // International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 2021. Vol. 2021-August.

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Kazakov A., Galeeva A. V., Artamkin A. I., Ikonnikov A. V., Ryabova L. I., Dvoretsky S. A., Mikhailov N. N., Bannikov M. I., Danilov S., Khokhlov D. R. Source and Localization of the PT-Symmetric Terahertz Photoconductivity in Topological Hg1-xCdxTe – Based Heterostructures // International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 2021. Vol. 2021-August.

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TY - CPAPER

DO - 10.1109/IRMMW-THz50926.2021.9566891

UR - https://doi.org/10.1109/IRMMW-THz50926.2021.9566891

TI - Source and Localization of the PT-Symmetric Terahertz Photoconductivity in Topological Hg1-xCdxTe – Based Heterostructures

T2 - International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz

AU - Kazakov, Aleksei

AU - Galeeva, Alexandra V

AU - Artamkin, Aleksei I

AU - Ikonnikov, Anton V.

AU - Ryabova, Ludmila I.

AU - Dvoretsky, S. A.

AU - Mikhailov, Nikolai N.

AU - Bannikov, Mikhail I

AU - Danilov, Sergey

AU - Khokhlov, Dmitry R.

PY - 2021

DA - 2021/08/29

PB - Institute of Electrical and Electronics Engineers (IEEE)

VL - 2021-August

ER -

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@inproceedings{2021_Kazakov,

author = {Aleksei Kazakov and Alexandra V Galeeva and Aleksei I Artamkin and Anton V. Ikonnikov and Ludmila I. Ryabova and S. A. Dvoretsky and Nikolai N. Mikhailov and Mikhail I Bannikov and Sergey Danilov and Dmitry R. Khokhlov},

title = {Source and Localization of the PT-Symmetric Terahertz Photoconductivity in Topological Hg1-xCdxTe – Based Heterostructures},

year = {2021},

volume = {2021-August},

month = {aug},

publisher = {Institute of Electrical and Electronics Engineers (IEEE)}

}

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Institute of Electrical and Electronics Engineers (IEEE)

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