Yayınlanmış 1 Ocak 2013 | Sürüm v1
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Relativistic symmetries in Yukawa-type interactions with Coulomb-like tensor

  • 1. Univ Zanjan, Dept Phys, Zanjan, Iran
  • 2. Univ Ilorin, Theoret Phys Sect, Dept Phys, Ilorin, Nigeria

Açıklama

This study presents the solutions of the Dirac equation with a new suggested Yukawa-type potential for any spin-orbit quantum number kappa interacting with a Coulomb-like tensor interaction. In the presence of spin and pseudospin (p-spin) symmetries, the approximate energy eigenvalues and wave functions are obtained by means of the parametric Nikiforov-Uvarov (pNU) method and the asymptotic iteration method (AIM). The numerical results show that the Coulomb-like tensor interaction removes degeneracies between spin and p-spin state doublets. The bound state solutions of the Schrodinger and Klein-Gordon equations for this new potential have also been presented. Our analytical results are in exact agreements with previous works. (C) 2013 Elsevier Inc. All rights reserved.

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