期刊
NANO LETTERS
卷 14, 期 8, 页码 4432-4437出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl501379k
关键词
Magnetic skyrmion; spintronics; micromagnetic simulation; magnetization dynamics
类别
资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [24224009, 24360036]
- Japan Science and Technology Agency
- [2610547]
- Grants-in-Aid for Scientific Research [14J10547] Funding Source: KAKEN
We study by the micromagnetic simulations the skyrmion motion along the edge driven by the current transverse to it. We found that (i) the velocity is enhanced by the factor of similar to 1/alpha (alpha: the Gilbert damping) with the maximum value determined only by the confining force from the edge, (ii) the inertia appear due to the confining potential with the coordinate perpendicular to the edge playing the role of the kinetic momentum, and (iii) the collision between the two skyrmions is almost elastic without causing any internal distortions.
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