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Magnetic field modulation of corner states in a quantum spin hall insulator.

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Title: Magnetic field modulation of corner states in a quantum spin hall insulator.
Authors: Wang, Jie1,2 (AUTHOR) jwang@stmail.ntu.edu.cn, Liu, Da-Yong1 (AUTHOR) dyliu@ntu.edu.cn, Yu, Xiang-Long2 (AUTHOR) yuxlong6@mail.sysu.edu.cn
Source: International Journal of Modern Physics C: Computational Physics & Physical Computation. May2026, Vol. 37 Issue 5, p1-10. 10p.
Subjects: Quantum spin Hall effect, Topological insulators, Spin-orbit interactions, Magnetic fields, Spintronics
Abstract: The discovery of higher-order topological phases has brought the exploration of higher-order topological materials to the forefront of topological matter research. In this work, we employ Wannier function center calculations to identify the quantum spin Hall effect in a modified Kane-Mele model that incorporates next-nearest-neighbor Rashba spin-orbit coupling, effectively capturing the essential physics of two-dimensional group IVA materials, such as graphene and silicene. By integrating rigorous theoretical modeling with high-precision numerical calculations, we systematically compute the band structures and spatial weight distributions of particle states, thereby obtaining distinct types of corner states under two axial magnetization configurations. The ability to modulate these corner states by controlling magnetization orientation opens up new opportunities for potential device applications, especially in topological electronics and spintronic systems. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Modern Physics C: Computational Physics & Physical Computation is the property of World Scientific Publishing Company 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.)
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DbLabel: Engineering Source
An: 189732902
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  Data: Magnetic field modulation of corner states in a quantum spin hall insulator.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Jie%22">Wang, Jie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> jwang@stmail.ntu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Da-Yong%22">Liu, Da-Yong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> dyliu@ntu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+Xiang-Long%22">Yu, Xiang-Long</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> yuxlong6@mail.sysu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Modern+Physics+C%3A+Computational+Physics+%26+Physical+Computation%22">International Journal of Modern Physics C: Computational Physics & Physical Computation</searchLink>. May2026, Vol. 37 Issue 5, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Quantum+spin+Hall+effect%22">Quantum spin Hall effect</searchLink><br /><searchLink fieldCode="DE" term="%22Topological+insulators%22">Topological insulators</searchLink><br /><searchLink fieldCode="DE" term="%22Spin-orbit+interactions%22">Spin-orbit interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Spintronics%22">Spintronics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The discovery of higher-order topological phases has brought the exploration of higher-order topological materials to the forefront of topological matter research. In this work, we employ Wannier function center calculations to identify the quantum spin Hall effect in a modified Kane-Mele model that incorporates next-nearest-neighbor Rashba spin-orbit coupling, effectively capturing the essential physics of two-dimensional group IVA materials, such as graphene and silicene. By integrating rigorous theoretical modeling with high-precision numerical calculations, we systematically compute the band structures and spatial weight distributions of particle states, thereby obtaining distinct types of corner states under two axial magnetization configurations. The ability to modulate these corner states by controlling magnetization orientation opens up new opportunities for potential device applications, especially in topological electronics and spintronic systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Modern Physics C: Computational Physics & Physical Computation is the property of World Scientific Publishing Company 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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      – Type: doi
        Value: 10.1142/S0129183125501104
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      – Code: eng
        Text: English
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        PageCount: 10
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      – SubjectFull: Quantum spin Hall effect
        Type: general
      – SubjectFull: Topological insulators
        Type: general
      – SubjectFull: Spin-orbit interactions
        Type: general
      – SubjectFull: Magnetic fields
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      – SubjectFull: Spintronics
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      – TitleFull: Magnetic field modulation of corner states in a quantum spin hall insulator.
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            NameFull: Wang, Jie
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            NameFull: Liu, Da-Yong
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            NameFull: Yu, Xiang-Long
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 37
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            – TitleFull: International Journal of Modern Physics C: Computational Physics & Physical Computation
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