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Magnetic Friction and the Role of Temperature

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2009

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

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-107256
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https://doi.org/10.1109/TMAG.2009.2023623
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IEEE Transactions on Magnetics. 2009, 45(10), pp. 3938-3941. Available under: doi: 10.1109/TMAG.2009.2023623

Zusammenfassung

A magnetic dipole moving parallel to a ferromagnetically interacting surface is subject to a friction force due to the conversion of kinetic energy into spin excitations. This phenomenon is studied in the framework of the classical anisotropic Heisenberg-model, using the stochastic Landau-Lifshitz-Gilbert equation. The friction force is calculated from dissipation rates, which are obtained directly from energy functions. For small velocities, magnetic friction increases linearly (like Stokes' law for laminar flow). The characteristic low- and high-temperature behavior is analyzed and explained by a relaxation time ansatz.

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ISO 690MAGIERA, Martin P., Dietrich E. WOLF, Lothar BRENDEL, Ulrich NOWAK, 2009. Magnetic Friction and the Role of Temperature. In: IEEE Transactions on Magnetics. 2009, 45(10), pp. 3938-3941. Available under: doi: 10.1109/TMAG.2009.2023623
BibTex
@article{Magiera2009Magne-955,
  year={2009},
  doi={10.1109/TMAG.2009.2023623},
  title={Magnetic Friction and the Role of Temperature},
  number={10},
  volume={45},
  journal={IEEE Transactions on Magnetics},
  pages={3938--3941},
  author={Magiera, Martin P. and Wolf, Dietrich E. and Brendel, Lothar and Nowak, Ulrich}
}
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