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Comparative Analysis of Giant Optical Fluctuations in GaAs Quantum Wells of Different Widths

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A comparative analysis is performed of photoluminescence by two-dimensional electron systems with wide and narrow GaAs/AlGaAs quantum wells having close concentrations of electrons in the quantum Hall effect regime. Substantial differences in the intensity of fluctuations at occupation factor 2 are revealed. It is shown that the effect of great optical fluctuations of 2D electrons is much stronger for a wide quantum well. This is explained by the much stronger influence of electron–electron interaction on the energies and wave functions of 2D electrons.

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Authors and Affiliations

  1. Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow oblast, Russia

    A. L. Parakhonsky, V. E. Bisti, M. V. Lebedev, A. A. Dremin & I. V. Kukushkin

  2. Moscow Institute of Physics and Technology, 141701, Dolgoprudny, Moscow oblast, Russia

    M. V. Lebedev

Authors
  1. A. L. Parakhonsky
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  2. V. E. Bisti
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  3. M. V. Lebedev
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  4. A. A. Dremin
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  5. I. V. Kukushkin
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Corresponding author

Correspondence to A. L. Parakhonsky.

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The authors declare that they have no conflicts of interest.

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Translated by N. Petrov

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Parakhonsky, A.L., Bisti, V.E., Lebedev, M.V. et al. Comparative Analysis of Giant Optical Fluctuations in GaAs Quantum Wells of Different Widths. Bull. Russ. Acad. Sci. Phys. 86, 438–442 (2022). https://doi.org/10.3103/S1062873822040190

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  • DOI: https://doi.org/10.3103/S1062873822040190

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