scholarly journals The spinless relativistic Hulthén problem

2014 ◽  
Vol 29 (29) ◽  
pp. 1450181 ◽  
Author(s):  
Wolfgang Lucha ◽  
Franz F. Schöberl

The spinless Salpeter equation can be regarded as the eigenvalue equation of a Hamiltonian that involves the relativistic kinetic energy and therefore is, in general, a nonlocal operator. Accordingly, it is hard to find solutions of this bound-state equation by exclusively analytic means. Nevertheless, a lot of tools enables us to constrain the resulting bound-state spectra rigorously. We illustrate some of these techniques for the example of the Hulthén potential.

2021 ◽  
Vol 5 (2) ◽  
pp. 255-263
Author(s):  
Bako M. Bitrus ◽  
U Wadata ◽  
C. M. Nwabueze ◽  
E. S. Eyube

In this paper, concept of supersymmetric quantum mechanics has been employed to derive expression for bound state energy eigenvalues of the Tietz-Hulthén potential, the corresponding equation for normalized radial eigenfunctions were deduced by ansatz solution technique. In dealing with the centrifugal term of the effective potential of the Schrödinger equation, a Pekeris-like approximation recipe is considered. By means of the expression for bound state energy eigenvalues and radial eigenfunctions, equations for expectation values of inverse separation-squared and kinetic energy of the Tietz-Hulthén potential were obtained from the Hellmann-Feynman theorem. Numerical values of bound state energy eigenvalues and expectation values of inverse separation-squared and kinetic energy the Tietz-Hulthén potential were computed at arbitrary principal and angular momentum quantum numbers. Results obtained for computed energy eigenvalues of Tietz-Hulthén potential corresponding to Z = 0 and V0 = 0 are in excellent agreement with available literature data for Tietz and Hulthén potentials respectively. Studies have also revealed that increase in parameter Z results in monotonic increase in the mean kinetic energy of the system. The results obtained in this work may find suitable applications in areas of physics such as: atomic physics, chemical physics, nuclear physics and solid state physics


2011 ◽  
Vol 84 (2) ◽  
pp. 025004 ◽  
Author(s):  
Altuğ Arda ◽  
Oktay Aydoğdu ◽  
Ramazan Sever

2011 ◽  
Vol 9 (4) ◽  
pp. 737-742 ◽  
Author(s):  
Jerzy Stanek

AbstractAn approximate analytical solution of the radial Schrödinger equation for the generalized Hulthén potential is obtained by applying an improved approximation of the centrifugal term. The bound state energy eigenvalues and the normalized eigenfunctions are given in terms of hypergeometric polynomials. The results for arbitrary quantum numbers n r and l with different values of the screening parameter δ are compared with those obtained by the numerical method, asymptotic iteration, the Nikiforov-Uvarov method, the exact quantization rule, and variational methods. The results obtained by the method proposed in this work are in a good agreement with those obtained by other approximate methods.


1975 ◽  
Vol 239 (1) ◽  
pp. 89-92 ◽  
Author(s):  
B. Talukdar ◽  
M.N. Sinha Roy ◽  
D. Chattarji

2009 ◽  
Vol 24 (24) ◽  
pp. 4519-4528 ◽  
Author(s):  
CHUN-SHENG JIA ◽  
YONG-FENG DIAO ◽  
LIANG-ZHONG YI ◽  
TAO CHEN

By using an improved new approximation scheme to deal with the centrifugal term, we investigate the bound state solutions of the Schrödinger equation with the Hulthén potential for the arbitrary angular momentum number. The bound state energy spectra and the unnormalized radial wave functions have been approximately obtained by using the supersymmetric shape invariance approach and the function analysis method. The numerical experiments show that our approximate analytical results are in better agreement with those obtained by using numerical integration approach for small values of the screening parameter δ than the other analytical results obtained by using the conventional approximation to the centrifugal term.


Author(s):  
C. O. Edet ◽  
P. O. Okoi ◽  
A. S. Yusuf ◽  
P. O. Ushie ◽  
P. O. Amadi

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