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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2025, Volume 121, Issue 8, Pages 681–687
DOI: https://doi.org/10.31857/S0370274X25040224 (Mi jetpl7497) 		 
CONDENSED MATTER

Measurement of the magnetoplasmon density of states in the radiative recombination spectrum of symmetrically doped quantum wells

E. M. Budanova, D. A. Shchigareva, L. V. Kulika, A. B. Van'kova, A. V. Larionova, A. V. Gorbunova, V. Umanskyb

a Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432 Russia
b Braun Center for Submicron Research, Weizmann Institute of Science, 76100 Rehovot, Israel
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DOI: https://doi.org/10.31857/S0370274X25040224
Abstract: Photoluminescence spectra of symmetrically and asymmetrically doped quantum wells in highly mobile GaAs/AlGaAs heterostructures have been investigated. Additional maxima have been found in the magnetoplasmon replica of the main optical transition from the conduction band to the heavy hole subband of the valence band of a symmetrically doped quantum well at the electron filling factor $\nu = 1$. Maxima in the photoluminescence spectrum are attributed to Van Hove singularities in the magnetoplasmon density of states as a function of the energy. The correlation of the observed features in the photoluminescence spectrum with known transport and optical studies has been discussed.
Funding agency Grant number
Russian Science Foundation 23-12-00011
This work was supported by the Russian Science Foundation, project no. 23-12-00011.
Received: 10.03.2025
Revised: 24.03.2025
Accepted: 24.03.2025
English version:
Journal of Experimental and Theoretical Physics Letters, 2025, Volume 121, Issue 8, Pages 648–654
DOI: https://doi.org/10.1134/S0021364025605871
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: E. M. Budanov, D. A. Shchigarev, L. V. Kulik, A. B. Van'kov, A. V. Larionov, A. V. Gorbunov, V. Umansky, “Measurement of the magnetoplasmon density of states in the radiative recombination spectrum of symmetrically doped quantum wells”, Pis'ma v Zh. Èksper. Teoret. Fiz., 121:8 (2025), 681–687; JETP Letters, 121:8 (2025), 648–654
Citation in format AMSBIB
\Bibitem{BudShcKul25}
\by E.~M.~Budanov, D.~A.~Shchigarev, L.~V.~Kulik, A.~B.~Van'kov, A.~V.~Larionov, A.~V.~Gorbunov, V.~Umansky
\paper Measurement of the magnetoplasmon density of states in the radiative recombination spectrum of symmetrically doped quantum wells
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2025
\vol 121
\issue 8
\pages 681--687
\mathnet{http://mi.mathnet.ru/jetpl7497}
\edn{https://elibrary.ru/MUXXHG}
\transl
\jour JETP Letters
\yr 2025
\vol 121
\issue 8
\pages 648--654
\crossref{https://doi.org/10.1134/S0021364025605871}
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