Microwave response of two-dimensional electron rings

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.12186

Kovalskii, V. A ; Gubarev, S. I. ; Kukushkin, I. V. ; Mikhailov, Sergey A. ; Smet, J. H. ; Klitzing, Klaus von ; Wegscheider, Werner

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Veröffentlichungsdatum dieses Volltextes: 25 Jan 2010 13:13

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Zusammenfassung

We report microwave absorption studies on rings containing two-dimensional electrons. The absorption is measured on single rings with different widths using an optical luminescence technique. The dispersion of the plasmon modes has been determined in the presence of a perpendicular magnetic field. The transformation of two-dimensional plasmons in the disk geometry into plasmons with ...