Abstract
We investigate the effect of spin transport on nonlinear excitations in a ferromagnetic nanowire with nonuniform magnetizations. In the presence of spin-polarized current, the exact soliton solutions propagating along the wire's axis are obtained in two cases of high or low quality factors $(Q)$. The current can change the velocities of magnetic solitons and affect the solitons' collision with phase shift. Also, ac current induces vibration of the center of the solitons.
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