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C. A. Onate,M. C. Onyeaju,M. C. Onyeaju,J. O. A. Idiodi,J. O. Ojonubah 한국물리학회 2017 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.70 No.4
We solved the Schr¨odinger equation with a certain approximation to the centrifugal term for an arbitrary angular momentum state with the Eckart Manning Rosen potential. The bound-state energy eigenvalues and the corresponding wave functions have been approximately obtained using the parametric Nikiforov Uvarov method. The solutions of the Schr¨odinger equation for the Eckart potential, Manning Rosen potential, and Hulth´en potential have been obtained using a certain transformation. The concepts of the Shannon entropy and the Fisher information of a system under the Eckart Manning Rosen potential are investigated in detail. The behavior of the screening parameter and the quantum number n for Fisher information and the Shannon entropy are also investigated.
Relativistic Treatment of Spin-zero Particles Subjected to the Shifted Tietz-Wei Potential Model
C. A. Onate,A. N. Ikot,M. C. Onyeaju,E. E. Ituen,E. Aghemenloh,O. Ebomwonyi 한국물리학회 2018 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.73 No.5
The approximate solutions of the Klein-Gordon equation with the shifted Tietz-Wei potential function are thoroughly studied for Klein-Gordon equation with both 2V and V potentials by using a suitable approximation scheme for the centrifugal term in the framework of the supersymmetric approach. The non-relativistic limits in both cases are obtained, and the numerical results are computed. We have equally investigated the Fisher information on the shifted Tietz-Wei potential function in the case of the non-relativistic limit of the Klein-Gordon equation with potential V because this is only possible in the non-relativistic regime. The Fisher information is observed to be inversely proportional to both Ch and bh, where Ch is the optimization parameter and bh = fi(1 Ch), with fi being the Morse constant.
Thermodynamic Properties of the Modified Yukawa Potential
U. S. Okorie,E. E. Ibekwe,A. N. Ikot,M. C. Onyeaju,E. O. Chukwuocha 한국물리학회 2018 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.73 No.9
Within the framework of the modified factorization method, we solve the Schrodinger equation with the modified Yukawa potential. The energy spectrum is obtained using the Pekeris approximation scheme for the centrifugal term. The thermodynamic properties, including the vibrational partition function, vibrational mean energy, vibrational mean free energy, vibrational specific heat capacity and vibrational entropy, are calculated. As a special case, we compare our result with that work of Dong [Int. J. Quant. Chem. 107, 366 (2007)] and find good agreement.