Soylu, A.Bayrak, O.Boztosun, I.2019-08-012019-08-0120070022-24881089-7658https://dx.doi.org/10.1063/1.2768436https://hdl.handle.net/11480/5363For any spin-orbit quantum number kappa, the analytical solutions of the Dirac equation are presented for the Hulthen potential by applying an approximation to spin-orbit coupling potential for the case of spin symmetry, Delta(r)=C=const, and pseudospin symmetry Sigma(r)=C=const. The bound state energy eigenvalues and the corresponding spinors are obtained in the closed forms.eninfo:eu-repo/semantics/closedAccessArticle48810.1063/1.27684362-s2.0-34548438122Q2WOS:000249156400010Q3