Interplay of Rashba, Zeeman and Landau splitting in a magnetic two dimensional electron gas

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The transport properties of a magnetic two dimensional electron gas consisting of a modulation doped n type HgMnTe/HgCdTe quantum well, QW, have been investigated. By analyzing the Shubnikov-de Haas oscillations and the node positions of their beating patterns, we have been able to separate the gate voltage dependent Rashba spin-orbit splitting from the temperature dependent giant Zeeman splitting. It has been experimentally demonstrated that the Rashba spin-orbit splitting is larger than or comparable to the $sp-d$ exchange interaction induced giant Zeeman splitting in this magnetic 2DEG even at moderately high magnetic fields.
4 pages, 5 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/19466

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0206335
 http://arxiv.org/abs/cond-mat/0206335

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arXiv