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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2021, Volume 113, Issue 8, Pages 548–552
DOI: https://doi.org/10.31857/S1234567821080103 (Mi jetpl6412) 		 
This article is cited in 2 scientific papers (total in 2 papers)

CONDENSED MATTER

Roles of elements of a heterostructure based on the topological phase of Hg$_{1-x}$Cd$_{x}$Te in the effect of $PT$-symmetric terahertz photoconductivity

A. S. Kazakova, A. V. Galeevaa, A. V. Ikonnikova, D. E. Dolzhenkoa, L. I. Ryabovab, N. N. Mikhailovc, S. A. Dvoretskiyc, M. I. Bannikovd, S. N. Danilove, D. R. Khokhlovad

a Faculty of Physics, Moscow State University, Moscow, 119991 Russia
b Faculty of Chemistry, Moscow State University, Moscow, 119991 Russia
c Rzhanov Institute of Semiconductors Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
d Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991 Russia
e Faculty of Physics, University of Regensburg, 93053 Regensburg, Germany
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DOI: https://doi.org/10.31857/S1234567821080103
Abstract: It is demonstrated that the $PT$-symmetric terahertz photoconductivity observed in heterostructures based on thick Hg$_{1-x}$Cd$_{x}$Te films in the topological phase is due to the photoexcitation of charge carriers in the film bulk. At the same time, the place of localization of the effect is the topological film–trivial buffer layer heterointerface. The model describing such a spatial separation of the source of nonequilibrium charge carriers and the effect localization is discussed.
Funding agency Grant number
Russian Science Foundation 19-12-00034
Russian Foundation for Basic Research 19-32-90259
Foundation for the Development of Theoretical Physics and Mathematics BASIS
Elite Network of Bavaria K-NW-2013-247
Volkswagen Foundation 97738
The work was supported by the Russian Science Foundation (project no. 19-12-00034). A.S. Kazakov acknowledges the support of the Russian Foundation for Basic Research (project no. 19-32-90259) and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS. S.N. Danilov working in the team led by S.D. Ganichev (University of Regensburg) acknowledges the support of the Elite Network of Bavaria (grant no. K-NW-2013-247) and the Volkswagen Stiftung Program no. 97738.
Received: 12.03.2021
Revised: 23.03.2021
Accepted: 23.03.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2021, Volume 113, Issue 8, Pages 542–546
DOI: https://doi.org/10.1134/S002136402108004X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. S. Kazakov, A. V. Galeeva, A. V. Ikonnikov, D. E. Dolzhenko, L. I. Ryabova, N. N. Mikhailov, S. A. Dvoretskiy, M. I. Bannikov, S. N. Danilov, D. R. Khokhlov, “Roles of elements of a heterostructure based on the topological phase of Hg$_{1-x}$Cd$_{x}$Te in the effect of $PT$-symmetric terahertz photoconductivity”, Pis'ma v Zh. Èksper. Teoret. Fiz., 113:8 (2021), 548–552; JETP Letters, 113:8 (2021), 542–546
Citation in format AMSBIB
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    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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