Yan, P. and Sun, Zhou Zhou and Schliemann, John and Wang, X.
Optimal spin current pattern for fast domain wall propagation in nanowires.
Europhys. Lett. 92, p. 27004.
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Other URL: http://iopscience.iop.org/0295-5075/92/2/27004/fulltext/
One of the important issues in nanomagnetism is to lower the current needed for a technologically useful domain wall (DW) propagation speed. Based on the modified Landau-Lifshitz-Gilbert (LLG) equation with both Slonczewski spin-transfer torque and the field-like torque, we derive an optimal temporally and spatially varying spin current pattern for fast DW propagation along nanowires. Under such ...
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