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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 118, Issue 12, Pages 908–914
DOI: https://doi.org/10.31857/S1234567823240072 (Mi jetpl7113) 		 
This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Magnon topological transition in skyrmion crystal

V. E. Timofeevab, Yu. V. Baramyginaab, D. N. Aristovba

a St. Petersburg State University, St. Petersburg, 199034 Russia
b Petersburg Nuclear Physics Institute, National Research Center Kurchatov Institute, Gatchina, 188300 Russia
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DOI: https://doi.org/10.31857/S1234567823240072
Abstract: We study the magnon spectrum in skyrmion crystal formed in thin ferromagnetic films with Dzyaloshinskii–Moriya interaction in presence of magnetic field. Focusing on two low-lying observable magnon modes and employing stereographic projection method, we develop a theory demonstrating a topological transition in the spectrum. Upon the increase in magnetic field, the gap between two magnon bands closes, with the ensuing change in the topological character of both bands. This phenomenon of gap closing, if confirmed in magnetic resonance experiments, may deserve further investigation by thermal Hall conductivity experiments.
Funding agency Grant number
St. Petersburg Foundation for Science, Technology and Innovation 33/2022
Russian Science Foundation 22-22-20034
This work was supported by the Russian Science Foundation (project no. 22-22-20034) and by the St. Petersburg Science Foundation (project no. 33/2022).
Received: 06.11.2023
Revised: 13.11.2023
Accepted: 14.11.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 118, Issue 12, Pages 911–916
DOI: https://doi.org/10.1134/S0021364023603469
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. E. Timofeev, Yu. V. Baramygina, D. N. Aristov, “Magnon topological transition in skyrmion crystal”, Pis'ma v Zh. Èksper. Teoret. Fiz., 118:12 (2023), 908–914; JETP Letters, 118:12 (2023), 911–916
Citation in format AMSBIB
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\by V.~E.~Timofeev, Yu.~V.~Baramygina, D.~N.~Aristov
\paper Magnon topological transition in skyrmion crystal
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 118
\issue 12
\pages 908--914
\mathnet{http://mi.mathnet.ru/jetpl7113}
\crossref{https://doi.org/10.31857/S1234567823240072}
\edn{https://elibrary.ru/nlxbtn}
\transl
\jour JETP Letters
\yr 2023
\vol 118
\issue 12
\pages 911--916
\crossref{https://doi.org/10.1134/S0021364023603469}
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    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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