Current-induced motion of a domain wall in magnetic nanowires

Details Current-induced motion of a domain wall in magnetic nanowires Current-induced motion of a domain wall in magnetic nanowires

2005-09-22

arxiv.org/abs/cond-mat/0509574v1

Physics

Condensed Matter

Materials Science

12 pages with 6 figures

Scientific paper

10.1103/PhysRevB.74.054403

The dynamics of current-induced motion of a magnetic domain wall in a quasi-one-dimensional ferromagnet with both easy-axis and easy-plane anisotropy, is studied. We pay a special attention to the case of a sharp domain wall, and calculate the spin torque created by the electric current. The torque has two components, one of which is acting as a driving force for the motion of the domain wall while the other distorts its shape, forcing thus the magnetic moments to deviate from the easy plane.

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