Abstract
The kinetics of recombination of electrons and acceptor-bound holes in AlGaAs-GaAs heterostructure obey a single-exponential decay in the liquid phase of 2D electrons, whereas localization gives rise to a broad spectrum of recombination rates, especially in the magnetic freeze-out regime. This results in a power-law dependence I(t)∝(τ/t)α in the tail of the recombination kinetics, with the universal exponent α=(1−ν)−1 at ν<1 for all the samples examined experimentally in this work.
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Pis’ma Zh. Éksp. Teor. Fiz. 63, No. 2, 118–122 (25 January 1996)
Published in English in the original Russian journal. Edited by Steve Torstveit.
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Kukushkin, I.V., Fal’ko, V.I., Haug, R. et al. Universal magnetoluminescence kinetics in magnetically frozen 2D electron systems. Jetp Lett. 63, 133–138 (1996). https://doi.org/10.1134/1.566983
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DOI: https://doi.org/10.1134/1.566983