Current-induced transverse spin wave instability in a thin nanomagnet
Mesoscale and Nanoscale Physics
2009-11-10 v2 Materials Science
Abstract
We show that an unpolarized electric current incident perpendicular to the plane of a thin ferromagnet can excite a spin-wave instability transverse to the current direction if source and drain contacts are not symmetric. The instability, which is driven by the current-induced ``spin-transfer torque'', exists for one current direction only.
Keywords
Cite
@article{arxiv.cond-mat/0304069,
title = {Current-induced transverse spin wave instability in a thin nanomagnet},
author = {M. L. Polianski and P. W. Brouwer},
journal= {arXiv preprint arXiv:cond-mat/0304069},
year = {2009}
}
Comments
4 pages, 2 figures