Proposal of a robust measurement scheme for the non-adiabatic spin torque using the displacement of magnetic vortices

Details Proposal of a robust measurement scheme for the non-adiabatic spin torque using the displacement of magnetic vortices Proposal of a robust measurement scheme for the non-adiabatic spin torque using the displacement of magnetic vortices

2009-05-19

arxiv.org/abs/0905.3141v1

Physics

Condensed Matter

Other Condensed Matter

Scientific paper

The strength of the non-adiabatic spin torque is currently under strong debate, as its value differs by orders of magnitude as well in theoretical predictions as in measurements. Here, a measurement scheme is presented that allows to determine the strength of the non-adiabatic spin torque accurately and directly. Analytical and numerical calculations show that the scheme allows to separate the displacement due to the Oersted field and is robust against uncertainties of the exact current direction.

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