Collective Excitations in Two-Dimensional Electron Stripes: Transport and Optical Detection of Resonant Microwave Absorption

I. V. Kukushkin, V. M. Muravev, J. H. Smet, M. Hauser, W. Dietsche, and K. von Klitzing. Phys. Rev. B, 73, 113310 (2006).

014-publication_Phys. Rev. B, 73, 113310

Transport and optical detection schemes are used for the investigation of resonant microwave absorption of two-dimensional electrons in stripes with different sizes. Fundamental and several excited transverse collective magneto-plasma modes have been detected. The transport and optical methods are found to be in good agreement with each other. The influence of retardation on the collective excitations is investigated in wide stripes with large electron densities.

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