Intersubband spin–orbit coupling and spin splitting in symmetric quantum wells
In semiconductors with inversion asymmetry, spin–orbit coupling gives rise to the well-known Dresselhaus and Rashba effects. If one considers quantum wells with two or more conduction subbands, an additional, intersubband-induced spin–orbit term appears whose strength is comparable to the Rashba cou...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2009-04, Vol.321 (8), p.944-948 |
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| container_end_page | 948 |
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| container_issue | 8 |
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| container_title | Journal of magnetism and magnetic materials |
| container_volume | 321 |
| creator | Kyrychenko, F.V. Ullrich, C.A. D’Amico, I. |
| description | In semiconductors with inversion asymmetry, spin–orbit coupling gives rise to the well-known Dresselhaus and Rashba effects. If one considers quantum wells with two or more conduction subbands, an additional, intersubband-induced spin–orbit term appears whose strength is comparable to the Rashba coupling, and which remains finite for symmetric structures. We show that the conduction band spin splitting due to this intersubband spin–orbit coupling term is negligible for typical III–V quantum wells. |
| doi_str_mv | 10.1016/j.jmmm.2008.03.006 |
| format | Article |
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| ispartof | Journal of magnetism and magnetic materials, 2009-04, Vol.321 (8), p.944-948 |
| issn | 0304-8853 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Physics Quantum wells Spin Coulomb drag Spintronics Spin–orbit coupling |
| title | Intersubband spin–orbit coupling and spin splitting in symmetric quantum wells |
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