Transport properties of spin superfluids : comparing easy-plane ferromagnets and antiferromagnets

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Physical Review B. American Physical Society (APS). 2019, 101(18), 184415. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.101.184415
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We present a study on spin-superfluid transport based on an atomistic, classical spin model. Easy-plane ferro- as well as antiferromagnets are considered, which allows for a direct comparison of these two material classes based on the same model assumptions. We find a spin-superfluid transport which is robust against variations of the boundary conditions, thermal fluctuations, and dissipation modeled via Gilbert damping. Though the spin accumulations is smaller for antiferromagnets the range of the spin-superfluid transport turns out to be identical for ferro- and antiferromagnets. Finally, we calculate and explore the role of the driving frequency and especially the critical frequency, where phase slips occur and the spin accumulation breaks down.

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ISO 690EVERS, Martin, Ulrich NOWAK, 2019. Transport properties of spin superfluids : comparing easy-plane ferromagnets and antiferromagnets. In: Physical Review B. American Physical Society (APS). 2019, 101(18), 184415. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.101.184415
BibTex
@article{Evers2019-11-28T16:55:23ZTrans-50588,
  year={2019},
  doi={10.1103/PhysRevB.101.184415},
  title={Transport properties of spin superfluids : comparing easy-plane ferromagnets  and antiferromagnets},
  number={18},
  volume={101},
  issn={2469-9950},
  journal={Physical Review B},
  author={Evers, Martin and Nowak, Ulrich},
  note={Article Number: 184415}
}
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