Solutions of the Dirac equation with the shifted Deng-Fan potential   including Yukawa-like tensor interaction
  By using the Nikiforov-Uvarov method, we give the approximate analytical solutions of the Dirac equation with the shifted Deng-Fan potential including the Yukawa-like tensor interaction under the spin and pseudospin symmetry conditions. After using an improved approximation scheme, we solved the resulting schr\"{o}dinger-like equation analytically. Numerical results of the energy eigenvalues are also obtained, as expected, the tensor interaction removes degeneracies between spin and pseudospin doublets. 
W. A. Yahya, B. J. Falaye, O. J. Oluwadare and K. J. Oyewumi
quant-ph nucl-th