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Dynamics of electron wave packets in topological insulators

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Abstract

Dynamics of wave packets formed by surface (edge) electronic states in topological insulators has been investigated. The spin and electron probability density, as well as zitterbewegung, of wave packets have been calculated analytically and numerically for various values of the Hamiltonian parameters. The effects of the main parameters (size and spin polarization) of the wave packets on a change in the packet shape and oscillations of their average velocity have been considered.

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Authors and Affiliations

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

    V. Ya. Demikhovskii & A. V. Telezhnikov

Authors
  1. V. Ya. Demikhovskii
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  2. A. V. Telezhnikov
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Correspondence to V. Ya. Demikhovskii.

Additional information

Original Russian Text © V.Ya. Demikhovskii, A.V. Telezhnikov, 2014, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2014, Vol. 99, No. 2, pp. 110–114.

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Demikhovskii, V.Y., Telezhnikov, A.V. Dynamics of electron wave packets in topological insulators. Jetp Lett. 99, 104–108 (2014). https://doi.org/10.1134/S0021364014020064

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  • DOI: https://doi.org/10.1134/S0021364014020064

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