Rashba Hamiltonian and electron transport

Laurens W. Molenkamp, Georg Schmidt, Gerrit E.W. Bauer

研究成果: Article査読

175 被引用数 (Scopus)

抄録

The Rashba Hamiltonian describes the splitting of the conduction band as a result of spin-orbit coupling in the presence of an external field and is commonly used to model the electronic structure of confined narrow-gap semiconductors. Due to the mixing of spin states some care has to be exercised in the calculation of transport properties. We derive the velocity operator for the Rashba-split conduction band and demonstrate that the transmission of an interface between a ferromagnet and a Rashba-split semiconductor does not depend on the magnetization direction, in contrast with previous assertions in the literature.

本文言語English
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
64
12
DOI
出版ステータスPublished - 2001
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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