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Galeeva, A. V. ; Kazakov, A. S. ; Artamkin, A. I. ; Ryabova, L. I. ; Dvoretsky, S. A. ; Mikhailov, N. N. ; Bannikov, M. I. ; Danilov, Sergey N. ; Khokhlov, D. R.

"Apparent PT-symmetric terahertz photoconductivity in the topological phase of Hg1−xCdxTe-based structures"

Galeeva, A. V., Kazakov, A. S., Artamkin, A. I., Ryabova, L. I., Dvoretsky, S. A., Mikhailov, N. N., Bannikov, M. I., Danilov, Sergey N. and Khokhlov, D. R. (2020) "Apparent PT-symmetric terahertz photoconductivity in the topological phase of Hg1−xCdxTe-based structures". Scientific Reports 10 (1), p. 2377.

Date of publication of this fulltext: 08 Oct 2020 15:07
Article
DOI to cite this document: 10.5283/epub.43848


Abstract

We show that the terahertz (THz) photoconductivity in the topological phase of Hg1-xCdxTe-based structures exhibits the apparent PT- (parity-time) symmetry whereas the P-symmetry and the T-symmetry, separately, are not conserved. Moreover, it is demonstrated that the P- and T-symmetry breaking may not be related to any type of the sample anisotropy. This result contradicts the apparent symmetry ...

We show that the terahertz (THz) photoconductivity in the topological phase of Hg1-xCdxTe-based structures exhibits the apparent PT- (parity-time) symmetry whereas the P-symmetry and the T-symmetry, separately, are not conserved. Moreover, it is demonstrated that the P- and T-symmetry breaking may not be related to any type of the sample anisotropy. This result contradicts the apparent symmetry arguments and means that there exists an external factor that interacts with the sample electronic system and breaks the symmetry. We show that deviations from the ideal experimental geometry may not be such a factor.



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Details

Item typeArticle
Journal or Publication TitleScientific Reports
Publisher:Springer
Open Access Type:CC-License
Volume:10
Number of Issue or Book Chapter:1
Page Range:p. 2377
Date11 February 2020
InstitutionsPhysics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Dewey Decimal Classification500 Science > 530 Physics
StatusPublished
RefereedYes, this version has been refereed
Created at the University of RegensburgPartially
URN of the UB Regensburgurn:nbn:de:bvb:355-epub-438487
Item ID43848

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