Current-induced domain wall motion with adiabatic spin torque only in cylindrical nanowires

URN to cite this document:: urn:nbn:de:bvb:355-epub-243056
DOI to cite this document:: 10.5283/epub.24305

Sun, Zhou Zhou ; Schliemann, John ; Yan, P. ; Wang, X. R.

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Date of publication of this fulltext: 11 May 2012 09:31

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Abstract

We investigate current-driven domain wall (DW) propagation in magnetic nanowires in the framework of the modified Landau-Lifshitz-Gilbert equation with both adiabatic and nonadiabatic spin torque (AST and NAST) terms. By employing a simple analytical model, we can demonstrate the essential physics that any small current density can drive the DW motion along a uniaxial anisotropy nanowire even in ...