Microwave absorption by a high mobility 2DEG has been investigated experimentally using sensitive Electron Paramagnetic Resonance cavity technique. It is found that MW absorption spectra are chiefly governed by confined magnetoplasmon excitations in a 2DEG stripe. Spectra of the 2D magnetoplasmons are studied as a function of magnetic field, MW frequency and carrier density. The electron concentration is tuned by illumination and monitored using optical photoluminescence technique.
@article{arxiv.0906.1566,
title = {Microwave magnetoplasmon absorption by a 2DEG stripe},
author = {O. M. Fedorych and S. Moreau and M. Potemski and S. A. Studenikin and T. Saku and Y. Hirayama},
journal= {arXiv preprint arXiv:0906.1566},
year = {2009}
}
Comments
to be published in International Journal of Modern Physics B