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Atomistic Spin DynamicsFoundations and Applications$
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Olle Eriksson, Anders Bergman, Lars Bergqvist, and Johan Hellsvik

Print publication date: 2017

Print ISBN-13: 9780198788669

Published to Oxford Scholarship Online: May 2017

DOI: 10.1093/oso/9780198788669.001.0001

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Skyrmions

Skyrmions

Chapter:
(p.185) 10 Skyrmions
Source:
Atomistic Spin Dynamics
Author(s):

Olle Eriksson

Anders Bergman

Lars Bergqvist

Johan Hellsvik

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198788669.003.0010

An important application of spin dynamics is the response of a magnetic material subjected to an external stimuli. In the previous chapter we discussed the response of primarily ferromagnets to temperature fluctuations that manifest itself to spin excitations and magnons. In this chapter, we are concerned about magnetic materials with more complicated magnetic texture, such as spin spirals and topological magnetic structures, in particular magnetic skyrmions. Magnetic skyrmions has many appealing and intriguing features that make them interesting both for possible applications but also from a pure theoretical point of view.

Keywords:   Skyrmion, topology, winding number, topological charge, skyrmion lattice, topological protection, vortex

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