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Magnetic Bloch oscillations and domain wall dynamics in a near-Ising ferromagnetic chain

Author

Listed:
  • Ursula B. Hansen

    (University of Copenhagen
    Institut Laue-Langevin, CS 20156)

  • Olav F. Syljuåsen

    (University of Oslo)

  • Jens Jensen

    (University of Copenhagen)

  • Turi K. Schäffer

    (University of Copenhagen)

  • Christopher R. Andersen

    (University of Copenhagen
    Technical University of Denmark)

  • Martin Boehm

    (Institut Laue-Langevin)

  • Jose A. Rodriguez-Rivera

    (National Institute of Standards and Technology
    University of Maryland)

  • Niels B. Christensen

    (Technical University of Denmark)

  • Kim Lefmann

    (University of Copenhagen)

Abstract

When charged particles in periodic lattices are subjected to a constant electric field, they respond by oscillating. Here we demonstrate that the magnetic analogue of these Bloch oscillations are realised in a ferromagnetic easy axis chain. In this case, the “particles” undergoing oscillatory motion in the presence of a magnetic field are domain walls. Inelastic neutron scattering reveals three distinct components of the low energy spin-dynamics including a signature Bloch oscillation mode. Using parameter-free theoretical calculations, we are able to account for all features in the excitation spectrum, thus providing detailed insights into the complex dynamics in spin-anisotropic chains.

Suggested Citation

  • Ursula B. Hansen & Olav F. Syljuåsen & Jens Jensen & Turi K. Schäffer & Christopher R. Andersen & Martin Boehm & Jose A. Rodriguez-Rivera & Niels B. Christensen & Kim Lefmann, 2022. "Magnetic Bloch oscillations and domain wall dynamics in a near-Ising ferromagnetic chain," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29854-9
    DOI: 10.1038/s41467-022-29854-9
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    References listed on IDEAS

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    1. Yao Shen & Yao-Dong Li & Hongliang Wo & Yuesheng Li & Shoudong Shen & Bingying Pan & Qisi Wang & H. C. Walker & P. Steffens & M. Boehm & Yiqing Hao & D. L. Quintero-Castro & L. W. Harriger & M. D. Fro, 2016. "Evidence for a spinon Fermi surface in a triangular-lattice quantum-spin-liquid candidate," Nature, Nature, vol. 540(7634), pages 559-562, December.
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    Cited by:

    1. Di Wang & Ruifeng Tang & Huai Lin & Long Liu & Nuo Xu & Yan Sun & Xuefeng Zhao & Ziwei Wang & Dandan Wang & Zhihong Mai & Yongjian Zhou & Nan Gao & Cheng Song & Lijun Zhu & Tom Wu & Ming Liu & Guozhon, 2023. "Spintronic leaky-integrate-fire spiking neurons with self-reset and winner-takes-all for neuromorphic computing," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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