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<p>In this work, we investigate the relativistic quantum motion of spin–zero scalar bosons via the Duffin–Kemmer–Petiau (DKP) equation with a position–dependent mass (PDM) system in the background of the topological defect space–time produced by a cosmic string. We determine the radial wave equation and obtain the exact analytical solutions of the wave equation for the linear and Cornell–type potential through the Bi–Confluent Heun differential equation. In fact, we have obtained the ground state energy for both potentials.</p>

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A Relativistic Position–Dependent Mass System of Bosonic Field in Cosmic String Space–Time Background

  • 期刊论文

  • 发表日期：

    2025年6月11日

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  • Abbad Moussa,
  • Houcine Aounallah,
  • Sebastián Valladares,
  • Clara Rojas

摘要

In this work, we investigate the relativistic quantum motion of spin–zero scalar bosons via the Duffin–Kemmer–Petiau (DKP) equation with a position–dependent mass (PDM) system in the background of the topological defect space–time produced by a cosmic string. We determine the radial wave equation and obtain the exact analytical solutions of the wave equation for the linear and Cornell–type potential through the Bi–Confluent Heun differential equation. In fact, we have obtained the ground state energy for both potentials.