Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2004-05-26
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, Submitted to Physical Review Letters
Scientific paper
10.1103/PhysRevLett.93.256602
We show that the transverse components of spin current in a ferromagnet is linked to an off diagonal spin component of the transmission matrix at interfaces;it has little to do with the mismatch of band structures between dissimilar metals. When we take account of this component,not considered in prior analyses, we find spin torque comes from a region of at lease 3 nm around an interface.
Antropov Vladimir
Levy Peter M.
Zhang Jianwei
Zhang Shufeng
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