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Dirac Equation with Unequal Scalar and Vector Potentials under Spin and Pseudospin Symmetry

Authors:

Atachegbe Clement Onate ,

Landmrk University, NG
About Atachegbe
Department of Physical Sciences
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Akpan Ndem Ikot,

University of Port Harcourt, NG
About Akpan
Theoretical Physics Group, Physics Department
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Michael Chukwudi Onyeaju,

University of Port Harcourt, NG
About Michael
Theoretical Physics Group, Physics Department
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Osarodion Ebomwonyi

University of Benin, NG
About Osarodion
Department of Physics
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Abstract

An approximate solution of the Dirac equation in the D-dimensional space is obtained under spin and pseudospin symmetry limits for the scalar and vector inversely quadratic Yukawa potential within the framework of parametric Nikiforov-Uvarov method using a suitable approximation scheme to the spin-orbit centrifugal term. The two components spinor of the wave function and their energy equations are fully obtained. Some numerical results are obtained for the energy level with various dimensions (D), quantum number (n), vector potential  and scalar potential. The results obtained under spin symmetry using either  or  are equal to the results obtained using. But under the pseudospin symmetry, the results obtained using or are not equal to the results obtained using.
How to Cite: Onate, A.C. et al., (2018). Dirac Equation with Unequal Scalar and Vector Potentials under Spin and Pseudospin Symmetry. Sri Lankan Journal of Physics. 19(1), pp.17–36. DOI: http://doi.org/10.4038/sljp.v19i1.8043
Published on 15 May 2018.
Peer Reviewed

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