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

URN to cite this document:: urn:nbn:de:bvb:355-epub-438487
DOI to cite this document:: 10.5283/epub.43848

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.

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Date of publication of this fulltext: 08 Oct 2020 15:07

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Item type:	Article
Journal or Publication Title:	Scientific Reports
Publisher:	Springer Nature
Volume:	10
Number of Issue or Book Chapter:	1
Page Range:	p. 2377
Date:	February 2020
Institutions:	Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Projects:	Russian Science Foundation (Project No. 19-02-00034), SFB 1277: Emergente relativistische Effekte in der Kondensierten Materie: Von grundlegenden Aspekten zu elektronischer Funktionalität, Volkswagen Stiftung Program (97738)
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Partially
Item ID:	43848

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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 ...