Different steady states for spin currents in noncollinear multilayers

Details Different steady states for spin currents in noncollinear multilayers Different steady states for spin currents in noncollinear multilayers

2004-05-26

arxiv.org/abs/cond-mat/0405613v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages, no figure. Accepted for publication in Journal of Physics: Condensed Matter

Scientific paper

10.1088/0953-8984/16/48/016

We find there are at least two different steady states for transport across noncollinear magnetic multilayers. In the conventional one there is a discontinuity in the spin current across the interfaces which has been identified as the source of current induced magnetic reversal; in the one advocated herein the spin torque arises from the spin accumulation transverse to the magnetization of a magnetic layer. These two states have quite different attributes which should be discerned by current experiments.

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