Semiclassical approach for spin dephasing in a quasi-one-dimensional channel

Yoji Kunihashi, Makoto Kohda, Junsaku Nitta

研究成果: Article査読

10 被引用数 (Scopus)

抄録

We derived the spin dephasing time taking Rashba and Dresselhaus spin-orbit interactions (SOI) into account in a quasi-one-dimensional (1D) system. Our analytical solution based on the semiclassical model describes temporal decay of the ensemble-averaged spin polarization, stability of the persistent spin helix state, and anisotropic spin dephasing in a quasi-1D channel, including the limit of a two-dimensional system. We herein proposed quantitative estimation of the cubic Dresselhaus SOI as well as other SOIs by optical measurement of the crystal orientation dependence of spin dephasing time in quasi-1D wires. The analytical approach shows good agreement with the Monte Carlo simulation.

本文言語English
論文番号035321
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
85
3
DOI
出版ステータスPublished - 2012 1月 30

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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