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<p>In this manuscript, the electromagnetic scattering for a non-diffracting Tricomi beam by a topological insulator (TI) sphere is studied within the realm of the generalized Lorenz–Mie theory (GLMT). Considering the boundary conditions (BCs) on the surface of the TI sphere, the unknown coefficients for the scattered field expansion are determined. The Tricomi beam configuration parameters, such as OAM mode index, beam half-cone angle, and asymmetry parameters, besides the TI axion angle, are investigated to evaluate their effect on extinction efficiency. The findings of this research encourage further investigation into the theoretical implications of Tricomi beams for the optical community, particularly in the context of scattering applications.</p>

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Investigating the Diffraction-free Tricomi Beam Scattering from a Sphere of Topological Insulator

  • 期刊论文

  • 发表日期：

    2026年6月30日

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  • Muhammad Arfan,
  • Victor V. Kotlyar,
  • Sergey S. Stafeev,
  • Saad Althobaiti,
  • Ali Althobaiti

摘要

In this manuscript, the electromagnetic scattering for a non-diffracting Tricomi beam by a topological insulator (TI) sphere is studied within the realm of the generalized Lorenz–Mie theory (GLMT). Considering the boundary conditions (BCs) on the surface of the TI sphere, the unknown coefficients for the scattered field expansion are determined. The Tricomi beam configuration parameters, such as OAM mode index, beam half-cone angle, and asymmetry parameters, besides the TI axion angle, are investigated to evaluate their effect on extinction efficiency. The findings of this research encourage further investigation into the theoretical implications of Tricomi beams for the optical community, particularly in the context of scattering applications.