Journal
NEW JOURNAL OF PHYSICS
Volume 18, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/18/7/075016
Keywords
antiferromagnetic skyrmions; phenomenology; spin-orbit torques; electric currents; magnetization dynamics; Dzyaloshinskii-Moriya interactions
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Funding
- DFG-fellowship through Excellence Initiative by the Graduate School Materials Science in Mainz [GSC 266]
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- European Research Council (ERC)
- D-ITP consortium
- Dutch Ministry of Education, Culture and Science (OCW)
- DFG Transregional Collaborative Research Center (SFB/TRR) 'Spin+X: Spin in its collective environment' [173]
- Alexander von Humboldt Foundation
- DFG-fellowship through Excellence Initiative by the Graduate School Materials Science in Mainz [GSC 266]
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- European Research Council (ERC)
- D-ITP consortium
- Dutch Ministry of Education, Culture and Science (OCW)
- DFG Transregional Collaborative Research Center (SFB/TRR) 'Spin+X: Spin in its collective environment' [173]
- Alexander von Humboldt Foundation
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We study current-driven skyrmion motion in uniaxial thin film antiferromagnets in the presence of the Dzyaloshinskii-Moriya interactions and in an external magnetic field. We phenomenologically include relaxation and current-induced torques due to both spin-orbit coupling and spatially inhomogeneous magnetic textures in the equation for the Neel vector of the antiferromagnet. Using the collective coordinate approach we apply the theory to a two-dimensional antiferromagnetic skyrmion and estimate the skyrmion velocity under an applied DC electric current.
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