Quantum Spin Tomography in Ferromagnet-Normal Conductors
Mesoscale and Nanoscale Physics
2015-05-18 v1
Abstract
We present a theory for a complete reconstruction of non-local spin correlations in ferromagnet-normal conductors. This quantum spin tomography is based on cross correlation measurements of electric currents into ferromagnetic terminals with controllable magnetization directions. For normal injectors, non-local spin correlations are universal and strong. The correlations are suppressed by spin-flip scattering and, for ferromagnetic injectors, by increasing injector polarization.
Keywords
Cite
@article{arxiv.1002.2499,
title = {Quantum Spin Tomography in Ferromagnet-Normal Conductors},
author = {P. Samuelsson and Arne Brataas},
journal= {arXiv preprint arXiv:1002.2499},
year = {2015}
}
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4+ pages