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A Thin Semiconductor Quantum Ring as an Analog of a Magnetically Controlled Bohr Atom

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Abstract

Integer quantization of the orbital momentum of an electron (the main specific feature of a semiclassical Bohr atom) can be implemented in a thin semiconductor quantum ring. Due to the presence of two nonequivalent heterointerfaces, this ring exhibits unique selection rules, which make it possible to reduce the ring spectrum to a single one-electron state with predefined quantum numbers, completely controlled by a magnetic field. By varying the field, one can form in the ring states with the necessary quantum numbers in advance and induce the required transitions between these states. The energy characteristics of these transitions is discussed. It is established that there exists a theoretical possibility for converting thermal energy into energy of directed monochromatic radiation.

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Funding

This study was supported by the Russian Foundation for Basic Research, project nos. 20-07-00983А and 18-52-16016.

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Authors and Affiliations

  1. Moscow State University of Technology (STANKIN), 127055, Moscow, Russia

    A. M. Mandel & V. B. Oshurko

  2. Prokhorov Institute of General Physics, Russian Academy of Sciences, 119991, Moscow, Russia

    V. B. Oshurko & S. M. Pershin

Authors
  1. A. M. Mandel
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  2. V. B. Oshurko
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  3. S. M. Pershin
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Corresponding authors

Correspondence to A. M. Mandel, V. B. Oshurko or S. M. Pershin.

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Translated by A. Sin’kov

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Mandel, A.M., Oshurko, V.B. & Pershin, S.M. A Thin Semiconductor Quantum Ring as an Analog of a Magnetically Controlled Bohr Atom. Dokl. Phys. 66, 253–256 (2021). https://doi.org/10.1134/S1028335821090020

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  • DOI: https://doi.org/10.1134/S1028335821090020

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