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Optimal spin current pattern for fast domain wall propagation in nanowires

URN to cite this document:
urn:nbn:de:bvb:355-epub-243405
Yan, P. ; Sun, Zhou Zhou ; Schliemann, John ; Wang, X.
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Date of publication of this fulltext: 15 May 2012 12:27


Abstract

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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