Spin accumulation in the electron transport with Rashba interaction

Yi Ying Chin, Jui Yu Chiu, Ming Che Chang, Chung Yu Mou

研究成果: 雜誌貢獻文章

2 引文 斯高帕斯(Scopus)


The nonequilibrium transportation of two-dimensional electrons through a narrow channel is investigated under the influence of the Rashba interaction. By introducing suitable lifetime in the Green's function, the average spin values can be calculated from the ballistic regime to the diffusive regime. It is shown that the spin accumulation is a combined effect of the spin current and disorders. In the diffusive regime, disorders offer a mechanism to stop the spin current and generate the spin accumulation. In the ballistic regime, spins are more spread out and do not have definite signs. Further consideration indicates that the inclusion of ferromagnetic spin-spin interaction increases the spin accumulation near the edge.

期刊Journal of Magnetism and Magnetic Materials
發行號2 SUPPL. PART 3
出版狀態已發佈 - 2007 三月 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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