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Theory of magnon-skyrmion scattering in chiral magnets
Open accessAbstract
We study theoretically the dynamics of magnons in the presence of a single skyrmion in chiral magnets featuring Dzyaloshinskii-Moriya interaction. We show by micromagnetic simulations that the scattering process of magnons by a skyrmion can be clearly defined although both originate in the common spins. We find that (i) the magnons are deflected by a skyrmion, with the angle strongly dependent on the magnon wave number due to the effective magnetic field of the topological texture, and (ii) the skyrmion motion is driven by magnon scattering through exchange of the momenta between the magnons and a skyrmion: the total momentum is conserved. This demonstrates that the skyrmion has a well-defined, though highly non-Newtonian, momentum.
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Cited by
Perspective: Magnetic skyrmions—Overview of recent progress in an active research field
Everschor-Sitte, K., Masell, J., Reeve, R. M., & Kläui, M. (2018) · Journal of Applied Physics · doi:10.1063/1.5048972 · Cited by 601
Magnetic bilayer-skyrmions without skyrmion Hall effect
Zhang, X., Zhou, Y., & Ezawa, M. (2016) · Nature Communications · doi:10.1038/ncomms10293 · Cited by 578
Skyrmions in magnetic multilayers
Jiang, W., Chen, G., Liu, K., Zang, J., te Velthuis, S. G. E., & Hoffmann, A. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.08.001 · Cited by 566
Prychynenko, D., Sitte, M., Litzius, K., Krüger, B., Bourianoff, G., Kläui, M., Sinova, J., & Everschor-Sitte, K. (2018) · Physical Review Applied · doi:10.1103/physrevapplied.9.014034 · Cited by 293
The optical tweezer of skyrmions
Wang, X.-G., Chotorlishvili, L., Dugaev, V. K., Ernst, A., Maznichenko, I. V., Arnold, N., Jia, C., Berakdar, J., Mertig, I., & Barnaś, J. (2020) · npj Computational Materials · doi:10.1038/s41524-020-00402-7 · Cited by 35
Metadata
- Authors
- Iwasaki, J., Beekman, A. J., & Nagaosa, N.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2014-02-14
- Volume
- 89
- Issue
- 6
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2117289906
- Cited by
- 180
- References
- 0
- FWCI
- 7.15
- Type
- journal article
- Language
- en
- Open access
- green
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- Iwasaki, J., Beekman, A. J., & Nagaosa, N. (2014). Theory of magnon-skyrmion scattering in chiral magnets. Physical Review B. https://doi.org/10.1103/physrevb.89.064412
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