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arxiv: 1001.4327 · v2 · submitted 2010-01-25 · 🧮 math-ph · math.MP· quant-ph

Approximate bound state solutions of Dirac equation with Hulth\'{e}n potential including Coulomb-like tensor potential

classification 🧮 math-ph math.MPquant-ph
keywords tensorcouplingdiracpotentialcoulomb-likeenergyequationhulth
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We solve the Dirac equation approximately for the attractive scalar $S(r)$ and repulsive vector $V(r)$ Hulth\'{e}n potentials including a Coulomb-like tensor potential with arbitrary spin-orbit coupling quantum number $\kappa .$ In the framework of the spin and pseudospin symmetric concept, we obtain the analytic energy spectrum and the corresponding two-component upper- and lower-spinors of the two Dirac particles by means of the Nikiforov-Uvarov method in closed form. The limit of zero tensor coupling and the non-relativistic solution are obtained. The energy spectrum for various levels is presented for several $\kappa $ values under the condition of exact spin symmetry in the presence or absence of tensor coupling.

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