Spin-Hall effect and spin-Coulomb drag in doped semiconductors
E. M. Hankiewicz, G. Vignale
TL;DR
This review explores the spin-Hall effect and spin-Coulomb drag in doped semiconductors, analyzing their interplay, effects on spin currents, and discussing future research challenges.
Contribution
It provides a detailed analysis of the interaction between spin-Hall effect and spin-Coulomb drag, highlighting their combined impact on spin transport phenomena.
Findings
Spin-Coulomb drag influences spin current and accumulation.
Interplay between spin-Hall effect and Coulomb interactions is significant.
Future challenges in understanding spin transport are identified.
Abstract
In this review, we describe in detail two important spin-transport phenomena: the extrinsic spin-Hall effect (coming from spin-orbit interactions between electrons and impurities) and the spin-Coulomb drag. The interplay of these two phenomena is analyzed. In particular, we discuss the influence of scattering between electrons with opposite spins on the spin current and the spin accumulation produced by the spin-Hall effect. Future challenges and open questions are briefly discussed.
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