Theory of spin Coulomb drag in spin-polarized transport

被引：133

作者：

D'Amico, I ^{[1
]}

Vignale, G ^{[1
]}

机构：

[1] Univ Missouri, Dept Phys, Columbia, MO 65211 USA

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.62.4853

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We introduce a distinctive feature of spin-polarized transport, the spin Coulomb drag: there is an intrinsic source of friction for spin currents due to the Coulomb interaction between spin "up" and spin "down" electrons. We calculate the associated "spin trans-resistivity" in a generalized random-phase approximation and show that, to the leading order in the interactions, it has no contribution from correlated impurity scattering. We show that, in an appropriate range of parameters, such resistivity is measurable, and we propose an experiment to measure it.

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页码：4853 / 4857

页数：5

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