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Multiple cyclotron resonances in GaAs-AlxGa1-xAs quantum wells detected by resonant inelastic light scattering

DOI to cite this document:
Schüller, Christian ; Krahne, Roman ; Biese, G. ; Steinebach, Christoph ; Ulrichs, E. ; Heitmann, Detlef ; Eberl, Karl
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Date of publication of this fulltext: 25 Sep 2009 07:43


Cyclotron resonance excitations in modulation-doped AlxGa1-xAs-GaAs quantum wells have been investigated by means of resonant inelastic light scattering. Besides the cyclotron resonance excitation ħωC, we observe up to fifteen additional peaks at multiples of ħωC. The constant energy separation between these resonances indicates that they are multiple excitations of ħωC (and not higher ...


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