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FIR response of quantum dots: filling factor dependence at high magnetic fields

Darnhofer, T. ; Suhrke, Michael ; Rössler, Ulrich
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Date of publication of this fulltext: 05 Aug 2009 13:28


Abstract

In recent experiments by Bollweg et al. (Phys. Rev. Lett., (1996) 2774) a novel feature was observed in the far-infrared absorption spectra of quantum dots: the resonance frequency of the low-lying $\omega$$_{-}$ mode exhibits small oscillations in dependence on the magnetic field. By calculating the self-consistent far-infrared response of electrons in quantum dots, we can give an explanation ...

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