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Nonuniform gyrotropic oscillation of skyrmion in a nanodisk
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It was predicted that magnetic skyrmions have potential application in the spin nano-oscillators. The oscillation frequency is a key parameter. In this paper, we study the skyrmion relaxation in a FeGe nanodisk and find that the oscillation frequency depends on the skyrmion position. The relaxation process is associated with the variation of skyrmion diameter. By analyzing the system energy, we believe that the nonuniform gyrotropic oscillation frequency is due to the change of the skyrmion diameter.
Title: Nonuniform gyrotropic oscillation of skyrmion in a nanodisk
Description:
It was predicted that magnetic skyrmions have potential application in the spin nano-oscillators.
The oscillation frequency is a key parameter.
In this paper, we study the skyrmion relaxation in a FeGe nanodisk and find that the oscillation frequency depends on the skyrmion position.
The relaxation process is associated with the variation of skyrmion diameter.
By analyzing the system energy, we believe that the nonuniform gyrotropic oscillation frequency is due to the change of the skyrmion diameter.
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