Cyclotron-resonance harmonics in the ac response of a 2D electron gas with smooth disorder |
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Authors: | Dmitriev I A Mirlin A D Polyakov D G |
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Affiliation: | Institut für Nanotechnologie, Forschungszentrum Karlsruhe, 76021 Karlsruhe, Germany. |
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Abstract: | The frequency-dependent conductivity sigma(xx)(omega) of 2D electrons subjected to a transverse magnetic field and smooth disorder is calculated. The interplay of Landau quantization and disorder scattering gives rise to an oscillatory structure that survives in the high-temperature limit. The relation to recent experiments on photoconductivity by Zudov et al. and Mani et al. is discussed. |
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