Semiclassical dynamics and transport of the Dirac spin

Chih Piao Chuu*, Ming Che Chang, Qian Niu

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

29 引文 斯高帕斯(Scopus)

摘要

A semiclassical theory of spin dynamics and transport is formulated using the Dirac electron model. This is done by constructing a wavepacket from the positive-energy electron band, and studying its structure and center of mass motion. The wavepacket has a minimal size equal to the Compton wavelength, and has self-rotation about the average spin angular momentum, which gives rise to the spin magnetic moment. Geometric gauge structure in the center of mass motion provides a natural explanation of the spin-orbit coupling and various Yafet terms. Applications of the spin-Hall and spin-Nernst effects are discussed.

原文英語
頁(從 - 到)533-537
頁數5
期刊Solid State Communications
150
發行號11-12
DOIs
出版狀態已發佈 - 2010 三月

ASJC Scopus subject areas

  • 化學 (全部)
  • 凝聚態物理學
  • 材料化學

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