Inertia-Free Thermally Driven Domain-Wall Motion in Antiferromagnets

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Physical Review Letters. 2016, 117(10), 107201. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.117.107201
Zusammenfassung

Domain-wall motion in antiferromagnets triggered by thermally induced magnonic spin currents is studied theoretically. It is shown by numerical calculations based on a classical spin model that the wall moves towards the hotter regions, as in ferromagnets. However, for larger driving forces the so-called Walker breakdown—which usually speeds down the wall—is missing. This is due to the fact that the wall is not tilted during its motion. For the same reason antiferromagnetic walls have no inertia and, hence, no acceleration phase leading to higher effective mobility.

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ISO 690SELZER, Severin, Unai ATXITIA, Ulrike RITZMANN, Denise HINZKE, Ulrich NOWAK, 2016. Inertia-Free Thermally Driven Domain-Wall Motion in Antiferromagnets. In: Physical Review Letters. 2016, 117(10), 107201. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.117.107201
BibTex
@article{Selzer2016-08-29Inert-35311,
  year={2016},
  doi={10.1103/PhysRevLett.117.107201},
  title={Inertia-Free Thermally Driven Domain-Wall Motion in Antiferromagnets},
  number={10},
  volume={117},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Selzer, Severin and Atxitia, Unai and Ritzmann, Ulrike and Hinzke, Denise and Nowak, Ulrich},
  note={Article Number: 107201}
}
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