This article is cited in 3 papers

PLASMA, GASES

Spin-magnetoplasma waves in a 2D electron system

R. Z. Vitlina^a, L. I. Magarill^ab, A. V. Chaplik<sup>ab

a</sup> Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 13, Novosibirsk, 630090, Russia
^b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

Abstract: Oscillations of a 2D electron plasma in a transverse magnetic field have been theoretically studied taking into account spin-orbit interaction. Four branches of spin-plasmon oscillations associated with different selection rules for spin and orbital quantum numbers have been shown to appear at a small plasmon momentum in a semiclassical limit (the Fermi energy is much higher than the Landau quantum). In the quantum case (the filling factor ν is about unity), the number of branches changes from three to six depending on ν value.

PACS: 72.15.Nj, 73.20.Mf

Received: 29.09.2008

 English version: Journal of Experimental and Theoretical Physics Letters, 2008, 88:10, 665–669

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