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Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 101, Issue 7, Pages 501–504 (Mi jetpl4594)  

This article is cited in 2 scientific papers (total in 2 papers)

CONDENSED MATTER

Unconventional dynamics of electrons in topological insulators in a magnetic field: Berry phase effects

V. Ya. Demikhovskii, R. V. Turkevich

Nizhni Novgorod State University, pr. Gagarina 23, Nizhni Novgorod, 603950, Russia

Abstract: The semiclassical dynamics of charge carriers moving over the surface of a Bi$_2$Te$_3$-type 3D topological insulator in a static magnetic field is studied. The effects related to the changes in the symmetry of constant energy surfaces (contours), as well as to the nonzero Berry curvature, are taken into account. It is shown that effects related both to the anomalous velocity proportional to the Berry curvature and to the distortions of the trajectories stemming from the additional contribution to the energy proportional the orbital magnetic moment of a wave packet appear in contrast to the conventional dynamics of electrons moving in a uniform static magnetic field along trajectories determined by the conditions $E(k)=const$ and $p_z=const$. This should lead to changes in the cyclotron resonance conditions for surface electrons. Although the magnetic field breaks the time-reversal symmetry and the topological order, the studies of the cyclotron resonance allow finding out whether a given insulator is a trivial one or not in zero magnetic field.

DOI: https://doi.org/10.7868/S0370274X15070061

Full text: PDF file (409 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2015, 101:7, 449–452

Bibliographic databases:

Received: 12.02.2015

Citation: V. Ya. Demikhovskii, R. V. Turkevich, “Unconventional dynamics of electrons in topological insulators in a magnetic field: Berry phase effects”, Pis'ma v Zh. Èksper. Teoret. Fiz., 101:7 (2015), 501–504; JETP Letters, 101:7 (2015), 449–452

Citation in format AMSBIB
\Bibitem{DemTur15}
\by V.~Ya.~Demikhovskii, R.~V.~Turkevich
\paper Unconventional dynamics of electrons in topological insulators in a magnetic field: Berry phase effects
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2015
\vol 101
\issue 7
\pages 501--504
\mathnet{http://mi.mathnet.ru/jetpl4594}
\crossref{https://doi.org/10.7868/S0370274X15070061}
\elib{http://elibrary.ru/item.asp?id=23459598}
\transl
\jour JETP Letters
\yr 2015
\vol 101
\issue 7
\pages 449--452
\crossref{https://doi.org/10.1134/S002136401507005X}
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\elib{http://elibrary.ru/item.asp?id=23988526}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84935850649}


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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. R. V. Turkevich, V. Ya. Demikhovskii, A. P. Protogenov, Semiconductors, 51:11 (2017), 1495–1499  crossref  isi  scopus
    2. R. V. Turkevich, D. V. Khomitsky, J. Exp. Theor. Phys., 126:2 (2018), 237–245  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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