期刊
PHYSICAL REVIEW LETTERS
卷 116, 期 14, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.116.147203
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [25800184, 25247056, 25220910, 15H01009]
- SpinNet
- National Science Foundation [NSF PHY11-25915]
- Graduate Program in Spintronics, Tohoku University
- Grants-in-Aid for Scientific Research [25800184, 15H01009, 25247056] Funding Source: KAKEN
Skyrmions are topologically protected entities in magnetic materials which have the potential to be used in spintronics for information storage and processing. However, Skyrmions in ferromagnets have some intrinsic difficulties which must be overcome to use them for spintronic applications, such as the inability to move straight along current. We show that Skyrmions can also be stabilized and manipulated in antiferromagnetic materials. An antiferromagnetic Skyrmion is a compound topological object with a similar but of opposite sign spin texture on each sublattice, which, e.g., results in a complete cancellation of the Magnus force. We find that the composite nature of antiferromagnetic Skyrmions gives rise to different dynamical behavior due to both an applied current and temperature effects.
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