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By Shinichiro Seki, Masahito Mochizuki

This short studies present study on magnetic skyrmions, with emphasis on formation mechanisms, statement options, and fabrics layout suggestions. The reaction of skyrmions, either static and dynamical, to varied electromagnetic fields is usually lined intimately.

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Notably, the threshold current density to drive skyrmions was 106 A/m2 , which is five orders of magnitude smaller than that for typical magnetic domain walls (Fig. 6h and Fig. 7b). Such an ultra-low threshold current density is partly due to the particle nature of skyrmions, which allows them to effectively avoid pinning caused by impurity or defects, as discussed in Sect. 2. According to Faraday’s law of induction, the time development of magnetic flux induces electromotive force. e. the emergent magnetic flux, causes the emergent electric field Eem , as discussed in Sect.

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