Nonmonotonic effects of perpendicular magnetic anisotropy on current-driven vortex wall motions in magnetic nanostripes
Su Yuan-Chang†
, Lei Hai-Yang, Hu Jing-Guo‡
, Lei Hai-Yang, Hu Jing-Guo‡ 
Nonmonotonic effects of perpendicular magnetic anisotropy on current-driven vortex wall motions in magnetic nanostripes |
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Su Yuan-Chang†
, Lei Hai-Yang, Hu Jing-Guo‡ |
| (a) Confining potential energy E of the VW, (b) demagnetization energy E demag, (c) anisotropic energy E K , and (d) exchange coupling energy E ex of the system versus horizontal positions x of the VW with different PMA. The x = 0 denotes the center of the stripe. |
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