We investigate the relativistic equation for particles with spin 1/2 in the q -parameter modified Pöschl-Teller potential, including Coulomb-like tensor interaction with spatially-dependent mass for the D -dimension. We present approximate solutions of the Dirac equation with these potentials for any spin-orbit quantum number κ under spin symmetry. The normalized wave functions are expressed in terms of the hyper-geometric series of the scattering states on the k /2π scale. We also give the formula for the phase shifts, and use the Nikiforov-Uvarov method to obtain the energy eigen-values equation.
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Eshghi et al. (2013) studied this question.
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