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Analogous Faraday effect of spin waves propagating in ferromagnetic nanotubes.

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Title: Analogous Faraday effect of spin waves propagating in ferromagnetic nanotubes.
Authors: Zhou, Li1 (AUTHOR) zl22720141@shu.edu.cn, Ren, Zhixuan1 (AUTHOR), Yan, Ming1 (AUTHOR) myan@shu.edu.cn
Source: Chinese Physics B. 2026, Vol. 35 Issue 4, p1-5. 5p.
Subjects: Faraday effect, Spin waves, Exchange interactions (Magnetism), Micromagnetics, Spintronics, Magnetization, Symmetry breaking, Nanotubes
Abstract: We present a micromagnetic study of magnetization dynamics in ferromagnetic nanotubes. The sample is radially magnetized in equilibrium with the presence of a strong anisotropy. Micromagnetic simulations reveal that spin waves (SWs) propagating in the tube exhibit a novel effect, analogous to the well-known Faraday magneto-optic effect. Specifically, the location of the nodes/antinodes of the standing waves formed in the azimuthal direction undergoes a continuous rotation during the wave propagation under the influence of an external magnetic field. The physical mechanism is essentially the same as the Faraday effect, i.e., the breaking of the chiral symmetry by the external field. A qualitative explanation is presented by analytically solving the equation of motion of magnetization taking into account the exchange interaction. Our results may bear potential applications in the development of future spintronic devices based on SW propagation. [ABSTRACT FROM AUTHOR]
Copyright of Chinese Physics B is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192699122
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Analogous Faraday effect of spin waves propagating in ferromagnetic nanotubes.
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  Data: <searchLink fieldCode="AR" term="%22Zhou%2C+Li%22">Zhou, Li</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zl22720141@shu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Ren%2C+Zhixuan%22">Ren, Zhixuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yan%2C+Ming%22">Yan, Ming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> myan@shu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Chinese+Physics+B%22">Chinese Physics B</searchLink>. 2026, Vol. 35 Issue 4, p1-5. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Faraday+effect%22">Faraday effect</searchLink><br /><searchLink fieldCode="DE" term="%22Spin+waves%22">Spin waves</searchLink><br /><searchLink fieldCode="DE" term="%22Exchange+interactions+%28Magnetism%29%22">Exchange interactions (Magnetism)</searchLink><br /><searchLink fieldCode="DE" term="%22Micromagnetics%22">Micromagnetics</searchLink><br /><searchLink fieldCode="DE" term="%22Spintronics%22">Spintronics</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetization%22">Magnetization</searchLink><br /><searchLink fieldCode="DE" term="%22Symmetry+breaking%22">Symmetry breaking</searchLink><br /><searchLink fieldCode="DE" term="%22Nanotubes%22">Nanotubes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We present a micromagnetic study of magnetization dynamics in ferromagnetic nanotubes. The sample is radially magnetized in equilibrium with the presence of a strong anisotropy. Micromagnetic simulations reveal that spin waves (SWs) propagating in the tube exhibit a novel effect, analogous to the well-known Faraday magneto-optic effect. Specifically, the location of the nodes/antinodes of the standing waves formed in the azimuthal direction undergoes a continuous rotation during the wave propagation under the influence of an external magnetic field. The physical mechanism is essentially the same as the Faraday effect, i.e., the breaking of the chiral symmetry by the external field. A qualitative explanation is presented by analytically solving the equation of motion of magnetization taking into account the exchange interaction. Our results may bear potential applications in the development of future spintronic devices based on SW propagation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Chinese Physics B is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1088/1674-1056/ae1ff7
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 5
        StartPage: 1
    Subjects:
      – SubjectFull: Faraday effect
        Type: general
      – SubjectFull: Spin waves
        Type: general
      – SubjectFull: Exchange interactions (Magnetism)
        Type: general
      – SubjectFull: Micromagnetics
        Type: general
      – SubjectFull: Spintronics
        Type: general
      – SubjectFull: Magnetization
        Type: general
      – SubjectFull: Symmetry breaking
        Type: general
      – SubjectFull: Nanotubes
        Type: general
    Titles:
      – TitleFull: Analogous Faraday effect of spin waves propagating in ferromagnetic nanotubes.
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            NameFull: Zhou, Li
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            NameFull: Ren, Zhixuan
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            NameFull: Yan, Ming
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            – D: 01
              M: 04
              Text: 2026
              Type: published
              Y: 2026
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              Value: 35
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              Value: 4
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            – TitleFull: Chinese Physics B
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