Current induced distortion of a magnetic domain wall

Details Current induced distortion of a magnetic domain wall Current induced distortion of a magnetic domain wall

2003-01-16

arxiv.org/abs/cond-mat/0301293v1

Europhys. Lett., 65 (3), pp. 427-433 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 eps figures

Scientific paper

10.1209/epl/i2003-10089-y

We consider the spin torque induced by a current flowing ballistically through a magnetic domain wall. In addition to a global pressure in the direction of the electronic flow, the torque has an internal structure of comparable magnitude due to the precession of the electrons' spins at the "Larmor" frequency. As a result, the profile of the domain wall is expected to get distorted by the current and acquires a periodic sur-structure.

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