Abstract
The Hellmann potential is simply a superposition of an attractive Coulomb poten- tial −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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