Kovalskii, V. A and Gubarev, S. I. and Kukushkin, I. V. and Mikhailov, Sergey A. and Smet, J. H. and Klitzing, Klaus von and Wegscheider, Werner
Microwave response of two-dimensional electron rings.
Physical Review B (PRB) 73 (19), p. 185302.
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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 ...
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