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Chiral magnetic skyrmions across length scales
Mesoscale and Nanoscale Physics · Submitted 9 Jun 2022
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Using fitting techniques, we modify these formulae so that their validity extends to almost the entire range of skyrmion radii.
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The abstract, sentence by sentence
The profile and energy of chiral skyrmions, found in magnetic materials with the Dzyaloshinskii-Moriya interaction, can be approximated by formulae obtained through asymptotic analysis in the limits of small and large skyrmion radius. Using fitting techniques, we modify these formulae so that their validity extends to almost the entire range of skyrmion radii. Such formulae are obtained for skyrmions that are stabilised in the presence of an external field or easy-axis anisotropy or a combination of these. We further study the effect of the magnetostatic field on the skyrmion profile. We compare the profile of magnetic bubbles, stabilized without the chiral Dzyaloshinskii-Moriya interaction to that of a chiral skyrmion.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The profile and energy of chiral skyrmions, found in magnetic materials with the Dzyaloshinskii-Moriya interaction, can be approximated by formulae obtained through asymptotic analysis in the limits of small and large skyrmion radius. | background 0.76 | 0.32 | 0.22 | asserted 0.76 |
| s1 | Using fitting techniques, we modify these formulae so that their validity extends to almost the entire range of skyrmion radii. | method 0.57 | 0.95 | 0.23 | asserted 1.00 |
| s2 | Such formulae are obtained for skyrmions that are stabilised in the presence of an external field or easy-axis anisotropy or a combination of these. | contribution 0.82 | 0.86 | 0.13 | asserted 1.00 |
| s3 | We further study the effect of the magnetostatic field on the skyrmion profile. | contribution 0.99 | 0.92 | 0.05 | unclear 0.56 |
| s4 | We compare the profile of magnetic bubbles, stabilized without the chiral Dzyaloshinskii-Moriya interaction to that of a chiral skyrmion. | contribution 0.88 | 0.88 | 0.07 | asserted 0.86 |
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The paper
Original abstract
The profile and energy of chiral skyrmions, found in magnetic materials with the Dzyaloshinskii-Moriya interaction, can be approximated by formulae obtained through asymptotic analysis in the limits of small and large skyrmion radius. Using fitting techniques, we modify these formulae so that their validity extends to almost the entire range of skyrmion radii. Such formulae are obtained for skyrmions that are stabilised in the presence of an external field or easy-axis anisotropy or a combination of these. We further study the effect of the magnetostatic field on the skyrmion profile. We compare the profile of magnetic bubbles, stabilized without the chiral Dzyaloshinskii-Moriya interaction to that of a chiral skyrmion.
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