scattering of skyrmions

scattering of skyrmions

;David Foster;Steffen Krusch
biology and fertility of soils 2015 Vol. 897 pp. 697-716
76
foster2015nuclearscattering

Abstract

In this paper, we present a detailed study of Skyrmion–Skyrmion scattering for two B=1 Skyrmions in the attractive channel where we observe two different scattering regimes. For large separation, the scattering can be approximated as interacting dipoles. We give a qualitative estimate when this approximation breaks down. For small separations we observe an additional short-range repulsion which is qualitatively similar to monopole scattering. We also observe the interesting effect of “rotation without rotating” whereby two Skyrmions, whose orientations remain constant while well-separated, change their orientation after scattering. We can explain this effect by following preimages through the scattering process, thereby measuring which part of an in-coming Skyrmion forms part of an out-going Skyrmion. This leads to a new way of visualising Skyrmions. Furthermore, we consider spinning Skyrmions and find interesting trajectories.

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0x95644003c57E6F55A65596E3D9Eac6813e3566dA
Article ID:
195804
Unique Identifier:
10.1016/j.nuclphysb.2015.06.011
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Scimatic Chain (ID: 481)
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