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  • Title: Inverse spin Hall effect driven by spin motive force.
    Author: Shibata J, Kohno H.
    Journal: Phys Rev Lett; 2009 Feb 27; 102(8):086603. PubMed ID: 19257765.
    Abstract:
    The spin Hall effect is a phenomenon in which an electric field induces a spin Hall current. In this Letter, we examine the inverse effect that, in a ferromagnetic conductor, a charge Hall current is induced by a spin motive force, or a spin-dependent effective "electric" field E_{s}, arising from the time variation of magnetization texture. By considering skew-scattering and side-jump processes due to spin-orbit interaction at impurities, we obtain the Hall current density as sigma_{SH}n x E_{s}, where n is the local spin direction and sigma_{SH} is the spin Hall conductivity. The Hall angle due to the spin motive force is enhanced by a factor of P-2 compared to the conventional anomalous Hall effect due to the ordinary electric field, where P is the spin polarization of the current. The Hall voltage is estimated for a field-driven domain-wall oscillation in a ferromagnetic nanowire.
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