Mesoscopic spin Hall effect

被引：49

作者：

Bardarson, J. H.

Adagideli, I.

Jacquod, Ph.

机构：

[1] Leiden Univ, Inst Lorentz, NL-2300 RA Leiden, Netherlands

[2] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany

[3] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.98.196601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the spin Hall effect in ballistic chaotic quantum dots with spin-orbit coupling. We show that a longitudinal charge current can generate a pure transverse spin current. While this transverse spin current is generically nonzero for a fixed sample, we show that when the spin-orbit coupling time is short compared to the mean dwell time inside the dot, it fluctuates universally from sample to sample or upon variation of the chemical potential with a vanishing average.

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页数：4

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