Supercurrent-Induced Magnetization Dynamics

Details Supercurrent-Induced Magnetization Dynamics Supercurrent-Induced Magnetization Dynamics

2010-06-30

arxiv.org/abs/1007.0004v1

Phys. Rev. B 83, 012501 (2011)

Physics

Condensed Matter

Superconductivity

4 pages, 3 figures. Submitted to Physical Review

Scientific paper

We investigate supercurrent-induced magnetization dynamics in a Josephson junction with two misaligned ferromagnetic layers, and demonstrate a variety of effects by solving numerically the Landau-Lifshitz-Gilbert equation. In particular, we demonstrate the possibility to obtain supercurrent-induced magnetization switching for an experimentally feasible set of parameters, and clarify the favorable condition for the realization of magnetization reversal. These results constitute a superconducting analogue to conventional current-induced magnetization dynamics and indicate how spin-triplet supercurrents may be utilized for practical purposes in spintronics.

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