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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2001, Volume 74, Issue 5, Pages 300–303
(Mi jetpl4204)
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This article is cited in 2 scientific papers (total in 2 papers)
CONDENSED MATTER
Cyclotron spin-wave in the 2D electron system
L. V. Kulikab, I. V. Kukushkinba, V. E. Kirpichevab, J. H. Smeta, K. von Klitzinga, V. Umanskiic, W. Wegscheiderd a Max Planck Institute for Solid State Research
b Institute of Solid State Physics, Russian Academy of Sciences
c Braun Center for Submicron Research, Weizmann Institute of Science, Rehovot
d Walter Schottky Institut, Technische Universität München
Abstract:
The cyclotron spin-wave mode of a two-dimensional electron system have been investigated by inelastic light scattering. It is observed at small electron filling factors, $\nu \sim 0.1$, when the electron system is spin-depolarized. As long as the electron system becomes fully spin-polarized ($\nu > 0.2$) the cyclotron spin-wave disappears from the inelastic light scattering spectra. It reenters at electron filling factors $\nu > 1$. Over the range of electron filling factors of $1 < \nu < 2$ the cyclotron spin-wave energy is insensitive to both the experimentally accessible in-plane momenta and the electron concentration, whereas its inelastic light scattering efficiency is strongly influenced by the spin polarization of the electron system.
Received: 31.07.2001
Citation:
L. V. Kulik, I. V. Kukushkin, V. E. Kirpichev, J. H. Smet, K. von Klitzing, V. Umanskii, W. Wegscheider, “Cyclotron spin-wave in the 2D electron system”, Pis'ma v Zh. Èksper. Teoret. Fiz., 74:5 (2001), 300–303; JETP Letters, 74:5 (2001), 270–273
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https://www.mathnet.ru/eng/jetpl4204 https://www.mathnet.ru/eng/jetpl/v74/i5/p300
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