Spin accumulation in the semi classical and quantum regimes

Details Spin accumulation in the semi classical and quantum regimes Spin accumulation in the semi classical and quantum regimes

2000-04-20

arxiv.org/abs/cond-mat/0004355v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

18 pages, 12 figures, revised version

Scientific paper

10.1007/s100510070087

We consider spin accumulation at a ferromagnet--normal metal interface in the presence of magnetic scattering in the normal metal. In the classical regime, we discuss the inverse Drude scaling of the conductance as a function of the interface transparencies. We present a treatment based on an exact solution of the Boltzmann equation. In the quantum regime, we solve a single impurity ``spin-flip Fabry Perot interferometer'' for quantum coherent multiple scatterings, in which we find a resonance in the spin flip channels. This resonance appears to be the quantum analog of the semi classical inverse Drude scaling of the conductance.

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