The Rashba spin-orbit coupling and the exchange electron-hole interaction of two-dimensional magnetoexcitons
The Rashba spin-orbit coupling (RSOC) in the case of two-dimensional (2D) electrons and holes in a strong perpendicular magnetic field is studied. The spinor-type wave functions are characterized by different numbers of Landau levels in different spin projections. For electrons, they...
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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2011
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/7a8385f275f34dab95899938c242e013 |
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| Sumario: | The Rashba spin-orbit coupling (RSOC) in the case of two-dimensional (2D) electrons and
holes in a strong perpendicular magnetic field is studied. The spinor-type wave functions are
characterized by different numbers of Landau levels in different spin projections. For electrons,
they differ by 1 as was established earlier by Rashba [1], whereas for holes they differ by 3. Two
lowest electron states and four lowest hole states of Landau quantization give rise to eight 2D
magnetoexciton states. The exchange electron-hole interaction in the frame of these states is
investigated. |
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