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- W2770337700 abstract "The helicity-orbital coupling is an intriguing feature of magnetic skyrmions in frustrated magnets. Here, we explore the skyrmion dynamics in a frustrated magnet based on the $J_{1}$-$J_{2}$-$J_{3}$ classical Heisenberg model explicitly by including the dipole-dipole interaction. The skyrmion energy acquires a helicity dependence due to the dipole-dipole interaction, resulting in the current-induced translational motion with a fixed helicity. The lowest energy states are the degenerate Bloch-type states, which can be used for building the binary memory. By increasing the driving current, the helicity locking-unlocking transition occurs, where the translational motion changes to the rotational motion. Furthermore, we demonstrate that two skyrmions can spontaneously form a bound state. The separation of the bound state forced by a driving current is also studied. In addition, we show the annihilation of a pair of skyrmion and antiskyrmion. Our results reveal the distinctive frustrated skyrmions may enable viable applications in topological magnetism." @default.
- W2770337700 created "2017-12-04" @default.
- W2770337700 creator A5020269510 @default.
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- W2770337700 date "2017-11-23" @default.
- W2770337700 modified "2023-10-14" @default.
- W2770337700 title "Skyrmion dynamics in a frustrated ferromagnetic film and current-induced helicity locking-unlocking transition" @default.
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- W2770337700 doi "https://doi.org/10.1038/s41467-017-01785-w" @default.
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