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Screening effects and Friedel oscillations in quantum-well nanostructures

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Abstract

The screening of the Coulomb interaction is studied with regard to Friedel oscillations in multicomponent electron plasma structure. A double quantum well (QW) and a superlattice are considered. The groundstate energy of a donor (exciton) in a double quantum well is calculated by a variational method as a function of the population of subbands.

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Authors and Affiliations

  1. Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 13, Novosibirsk, 630090, Russia

    V. M. Kovalev

  2. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    A. V. Chaplik

Authors
  1. V. M. Kovalev
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  2. A. V. Chaplik
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Correspondence to A. V. Chaplik.

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Original Russian Text © V.M. Kovalev, A.V. Chaplik, 2008, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2008, Vol. 134, No. 5, pp. 980–987.

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Kovalev, V.M., Chaplik, A.V. Screening effects and Friedel oscillations in quantum-well nanostructures. J. Exp. Theor. Phys. 107, 839–845 (2008). https://doi.org/10.1134/S1063776108110149

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  • DOI: https://doi.org/10.1134/S1063776108110149

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