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Numerical Simulation of Discrete Magnetic Breathers in Heisenberg Spin Chains with Additional Interactions

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Abstract

A 1D model of a finite-length spin chain with the Dzyaloshinskii–Moriya interaction is considered. An algorithm for simulation of the problem is developed, and calculations that demonstrate the existence of discrete magnetic breathers of various types in the phase of forced ferromagnetism of a chiral helimagnet are presented. It is shown that the analysis with allowance for the Dzyaloshinskii–Moriya interaction yields a decrease in the amplitude of discrete magnetic breathers.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 20-02-00213 and the Ministry of Science and Higher Education of the Russian Federation, project FEUZ-2020-0054.

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Authors and Affiliations

  1. Institute of Natural Sciences and Mathematics, Ural Federal University, 620000, Yekaterinburg, Russia

    I. G. Bostrem, A. S. Ovchinnikov & V. E. Sinitsyn

  2. Bashkortostan State University, 450076, Ufa, Bashkortostan, Russia

    E. G. Ekomasov & M. I. Fakhretdinov

  3. Institute of Physics of Metals, Ural Branch, Russian Academy of Sciences, 620108, Yekaterinburg, Russia

    A. S. Ovchinnikov

Authors
  1. I. G. Bostrem
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  2. E. G. Ekomasov
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  3. A. S. Ovchinnikov
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  4. V. E. Sinitsyn
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  5. M. I. Fakhretdinov
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Corresponding author

Correspondence to I. G. Bostrem.

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Translated by A. Chikishev

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Bostrem, I.G., Ekomasov, E.G., Ovchinnikov, A.S. et al. Numerical Simulation of Discrete Magnetic Breathers in Heisenberg Spin Chains with Additional Interactions. J. Commun. Technol. Electron. 68, 70–76 (2023). https://doi.org/10.1134/S1064226923010023

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  • DOI: https://doi.org/10.1134/S1064226923010023

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