Spin Hall effect on the kagome lattice with Rashba spin-orbit   interaction

doi:10.1103/PhysRevB.79.035323

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	Spin Hall effect on the kagome lattice with Rashba spin-orbit interaction
	Liu, Guocai ; Zhang, Ping ; Wang, Zhigang ; Li, Shu-Shen
刊名	physical review b
	2009
关键词	Berry phase Fermi level spin Hall effect spin-orbit interactions VAPOR-PHASE EPITAXY HUBBARD-MODEL GROUND-STATES LINE GRAPHS SEMICONDUCTORS SPINTRONICS
DOI	10.1103/PhysRevB.79.035323
英文摘要	We study the spin Hall effect in the kagome lattice with Rashba spin-orbit coupling. The conserved spin Hall conductance sigma(s)(xy) (see text) and its two components, i.e., the conventional term sigma(s0)(xy) and the spin-torque-dipole term sigma(s tau)(xy), are numerically calculated, which show a series of plateaus as a function of the electron Fermi energy epsilon(F). A consistent two-band analysis, as well as a Berry-phase interpretation, is also given. We show that these plateaus are a consequence of various Fermi-surface topologies when tuning epsilon(F). In particular, we predict that compared to the case with the Fermi surface encircling the Gamma point in the Brillouin zone, the amplitude of the spin Hall conductance with the Fermi surface encircling the K points is twice enhanced, which makes it highly meaningful in the future to systematically carry out studies of the K-valley spintronics.; Physics, Condensed Matter; SCI(E); 12; ARTICLE; 3; 79
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/396868]
专题	工学院
推荐引用方式 GB/T 7714	Liu, Guocai,Zhang, Ping,Wang, Zhigang,et al. Spin Hall effect on the kagome lattice with Rashba spin-orbit interaction[J]. physical review b,2009.
APA	Liu, Guocai,Zhang, Ping,Wang, Zhigang,&Li, Shu-Shen.(2009).Spin Hall effect on the kagome lattice with Rashba spin-orbit interaction.physical review b.
MLA	Liu, Guocai,et al."Spin Hall effect on the kagome lattice with Rashba spin-orbit interaction".physical review b (2009).