Spin and charge transport induced by magnetization dynamics in diffusive ferromagnetic metals

Steven S.L. Zhang, Shufeng Zhang

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In ferromagnetic metals, the temporal and spatial dependence of the magnetization vector generates spin-dependent electric and magnetic fields. We study spin and charge transport by using the linearalized Boltzmann equation in response to these fields. A generalized spin-diffusion equation is derived and then exactly solved for a nanowire where the spatial dependence of the magnetization is one dimensional. It is found that the relative length scales between the domain-wall width and the spin-diffusion length are important in determining the local electromotive force and the enhanced damping induced by magnetization dynamics.

Original languageEnglish (US)
Article number184423
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume82
Issue number18
DOIs
StatePublished - Nov 19 2010

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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