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April 16, 2026Bulletin of the Russian Academy of Sciences Physics0 citations

Anomalous Behavior of Resonant Reflection near ν = 1 as an Indicator of Nontrivial Spin Polarization in a Two-Dimensional Electron System

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AKA. S. KoreevPBP. S. BerezhnoyAVA. B. Van’kov

Key Points

  • This research investigates the behavior of electron reflections to understand spin polarization in a quantum well.
  • Studied a two-dimensional electron system in a GaAs/AlGaAs quantum well.
  • Conducted resonant light reflection experiments.
  • Analyzed reflection spectra at various magnetic field strengths corresponding to filling factors from 0.2 to 1.4.
  • Observed nonmonotonic behavior in transition intensities between spin sublevels.
  • Noted unique reflection characteristics indicated filling factor proximity to ν = 1.

Abstract

A two-dimensional electron system in a GaAs/AlGaAs quantum well is studied by resonant light reflection in magnetic fields corresponding to filling factors from 0.2 to 1.4. The resulting reflection spectra demonstrate nonmonotonic behavior of the transition intensities from the upper and lower spin sublevels of the zero Landau level.

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Cite This Study

Koreev et al. (2026) studied this question.

synapsesocial.com/papers/69e07de52f7e8953b7cbeec2https://doi.org/10.1134/s1062873825715090
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