Bulk manifestation of the spin Hall effect

Brandon M. Anderson; Tudor D. Stanescu; Victor Galitski

doi:10.1103/PhysRevB.81.121304

Bulk manifestation of the spin Hall effect

Brandon M. Anderson, Tudor D. Stanescu, Victor Galitski

Research output: Contribution to journal › Article › Research › peer-review

4 Citations (Scopus)

Abstract

We show that an inhomogeneous spin-orbit-coupled system supports bulk manifestations of the spin Hall effect, and we develop a theory of this phenomenon in the framework of the spin diffusion equation formalism. In the presence of a spin-density wave with wave vector perpendicular to an applied electric field, an anomalous charge-density wave, characterized by a π/2 -phase shift and a nonmonotonic time-varying amplitude, is induced away from the sample boundaries. The optimal conditions for observing the effect are determined.

Original language	English
Article number	121304
Journal	Physical Review B
Volume	81
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.81.121304
Publication status	Published - 12 Mar 2010
Externally published	Yes

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10.1103/PhysRevB.81.121304

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N2 - We show that an inhomogeneous spin-orbit-coupled system supports bulk manifestations of the spin Hall effect, and we develop a theory of this phenomenon in the framework of the spin diffusion equation formalism. In the presence of a spin-density wave with wave vector perpendicular to an applied electric field, an anomalous charge-density wave, characterized by a π/2 -phase shift and a nonmonotonic time-varying amplitude, is induced away from the sample boundaries. The optimal conditions for observing the effect are determined.

AB - We show that an inhomogeneous spin-orbit-coupled system supports bulk manifestations of the spin Hall effect, and we develop a theory of this phenomenon in the framework of the spin diffusion equation formalism. In the presence of a spin-density wave with wave vector perpendicular to an applied electric field, an anomalous charge-density wave, characterized by a π/2 -phase shift and a nonmonotonic time-varying amplitude, is induced away from the sample boundaries. The optimal conditions for observing the effect are determined.

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Bulk manifestation of the spin Hall effect

Abstract

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