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cond-mat.mes-hall2020
Bulk and surface topological indices for a skyrmion string
Wataru Koshibae, Naoto Nagaosa
The magnetic skyrmion is a topological magnetic vortex, and its topological nature is characterized by an index called skyrmion number which is a mapping of the magnetic moments de…
cond-mat.mes-hall2020★ 25 cited
Slow steady flow of a skyrmion lattice in a confined geometry probed by resistance narrow-band noise
Takuro Sato, Wataru Koshibae, Akiko Kikkawa +6
Using resistance fluctuation spectroscopy, we observe current-induced narrow-band noise (NBN) in the magnetic skyrmion-lattice phase of micrometer-sized MnSi. The NBN appears only…