Publikation:

Spin waves cause non-linear friction

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Nowak.pdf
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Datum

2011

Autor:innen

Magiera, Martin P.
Brendel, Lothar
Wolf, Dietrich E.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-182776
DOI (zitierfähiger Link)
https://doi.org/10.1209/0295-5075/95/17010
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Open Access-Veröffentlichung
Open Access Green

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Physik: Publikationen
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Published

Erschienen in

EPL (Europhysics Letters). 2011, 95(1), 17010. ISSN 0295-5075. Available under: doi: 10.1209/0295-5075/95/17010

Zusammenfassung

Energy dissipation is studied for a hard magnetic tip that scans a soft magnetic substrate. The dynamics of the atomic moments are simulated by solving the Landau-Lifshitz-Gilbert (LLG) equation numerically. The local energy currents are analysed for the case of a Heisenberg spin chain taken as substrate. This leads to an explanation for the velocity dependence of the friction force: The non-linear contribution for high velocities can be attributed to a spin wave front pushed by the tip along the substrate.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

Schlagwörter

spin waves, nonlinear friction

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ISO 690MAGIERA, Martin P., Lothar BRENDEL, Dietrich E. WOLF, Ulrich NOWAK, 2011. Spin waves cause non-linear friction. In: EPL (Europhysics Letters). 2011, 95(1), 17010. ISSN 0295-5075. Available under: doi: 10.1209/0295-5075/95/17010
BibTex
@article{Magiera2011waves-18277,
  year={2011},
  doi={10.1209/0295-5075/95/17010},
  title={Spin waves cause non-linear friction},
  number={1},
  volume={95},
  issn={0295-5075},
  journal={EPL (Europhysics Letters)},
  author={Magiera, Martin P. and Brendel, Lothar and Wolf, Dietrich E. and Nowak, Ulrich},
  note={Article Number: 17010}
}
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