Abstract
The Hellmann potential is simply a superposition of an attractive Coulomb potential −a/r plus a Yukawa potential be−δr/r. The generalized parametric Nikiforov–Uvarov (NU) method is used to examine the approximate analytical energy eigenvalues and two-component wave function of the Dirac equation with the Hellmann potential for arbitrary spin-orbit quantum number κ in the presence of exact spin and pseudospin (p-spin) symmetries. As a particular case, we obtain the energy eigenvalues of the pure Coulomb potential in the non-relativistic limit.
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HAMZAVI, M., IKHDAIR, S.M. Approximate eigensolutions of Dirac equation for the superposition Hellmann potential under spin and pseudospin symmetries. Pramana - J Phys 83, 49–61 (2014). https://doi.org/10.1007/s12043-014-0764-z
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DOI: https://doi.org/10.1007/s12043-014-0764-z