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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2014, Volume 100, Issue 9, Pages 639–643
DOI: https://doi.org/10.7868/S0370274X1421005X (Mi jetpl4454) 		 
This article is cited in 8 scientific papers (total in 8 papers)

CONDENSED MATTER

Backscattering in a 2D topological insulator and conductivity of a 2D strip

L. I. Magarillab, M. V. Èntinba

a Rzhanov Institute of Semiconductor Physics, Siberian Branch of Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University
Full-text PDF (146 kB) Citations (8)
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DOI: https://doi.org/10.7868/S0370274X1421005X
Abstract: A strip of the 2D HgTe topological insulator is studied. The same-spin edge states in an ideal system propagate in opposite directions on different sides of the strip and do not mix by tunneling. Impurities, edge irregularities, and phonons produce transitions between the contra- propagating edge states on different edges. This backscattering determines the conductivity of an infinitely long strip. The conductivity at finite temperature is determined in the framework of the kinetic equation. It is found that the conductivity exponentially grows with the strip width. In the same approximation the non-local resistance coefficients of a 4-terminal strip are found.
Received: 20.08.2014
English version:
Journal of Experimental and Theoretical Physics Letters, 2014, Volume 100, Issue 9, Pages 561–565
DOI: https://doi.org/10.1134/S0021364014210097
Bibliographic databases:
Document Type: Article
Language: English
Citation: L. I. Magarill, M. V. Èntin, “Backscattering in a 2D topological insulator and conductivity of a 2D strip”, Pis'ma v Zh. Èksper. Teoret. Fiz., 100:9 (2014), 639–643; JETP Letters, 100:9 (2014), 561–565
Citation in format AMSBIB
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    • This publication is cited in the following 8 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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