Abstract
New lines are observed in the photoluminescence spectrum of a two-dimensional electron gas in a quantizing magnetic field at a filling factor of ν = 2 upon the photoexcitation of a nonequilibrium ensemble of cyclotron magnetoexcitons. Their energies lie in the region forbidden for single-particle optical transitions and allowed for inner transitions from excited states of three-particle translationally invariant complexes called magnetotrions. It is suggested that the new lines are associated with the complicated spectrum of internal motion in the magnetotrion, composed of an electron at the first Landau level and two identical holes at the zeroth Landau level.
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Original Russian Text © V.A. Kuznetsov, L.V. Kulik, A.S. Zhuravlev, A.V. Gorbunov, V.E. Kirpichev, M.N. Khannanov, I.V. Kukushkin, 2018, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2018, Vol. 107, No. 2, pp. 104–107.
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Kuznetsov, V.A., Kulik, L.V., Zhuravlev, A.S. et al. Excited States of Magnetotrion. Jetp Lett. 107, 96–99 (2018). https://doi.org/10.1134/S0021364018020091
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DOI: https://doi.org/10.1134/S0021364018020091