Spin--Orbit Interactions in a Quasi-Two-Dimensional Electron Gas with Finite Thickness

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概要

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• Effects of the spin--orbit coupling on the energy spectrum, Fermi surface and spin dynamics are studied in structural- and bulk-inversion asymmetric quasi-two-dimensional structures with a finite thickness in the presence of a parabolic transverse confining potential. One-particle quantum mechanical problem in the presence of an in-plane magnetic field is solved numerically exact. Interplay of the spin--orbit interactions, orbital- and Zeeman-effects of the in-plane magnetic field results in a formation of a multi-valley subband structure, typical for realization of the Gunn effect. A possible Gunn-effect-mediated spin accumulation is discussed. The spin--orbit interactions and in-plane magnetic field are shown to change the regular plateau structure of the ballistic conductance.

• 2011-05-25

著者

• Oppermann Reinhold

  Institut Fur Theoretische Phesik Ruprecht-karls-universitat

• Alekperov Oktay

  Institute of Physics, Azerbaijan National Academy of Science, 33 H. Javid, Baku AZ-1143, Azerbaijan

• Alekperov Oktay

  Institute of Physics, Azerbaijan National Academy of Sciences, H. Cavid str. 33, AZ1143 Baku, Azerbaijan

• Nakhmedov Enver

  Institut für Theoretische Physik, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany

• Oppermann Reinhold

  Institut für Theoretische Physik, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany

• Nakhmedov Enver

  Institut für Theoretische Physik, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany

関連論文

• Superconductivity and Localization in Disordered Systems:A Local Gauge Invariant Approach
• $\gamma$-Radiation Stimulated Structural Transition of Monoclinic TlInS2 to Hexagonal Phase
• Spin--Orbit Interactions in a Quasi-Two-Dimensional Electron Gas with Finite Thickness
• Dielectric Anomaly and Conductivity at Ferroelectric Phase Transition in TlInS2 Doped with Different Impurities

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