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Hellmann, H. (1935) A New Approximation Method in the Problem of Many Electrons. The Journal of Chemical Physics, 3, 61.
https://doi.org/10.1063/1.1749559

has been cited by the following article:

• TITLE: Momentum Eigensolutions of Feinberg-Horodecki Equation with Time-Dependent Screened Kratzer-Hellmann Potential

  AUTHORS: Mahmoud Farout, Sameer M. Ikhdair

  KEYWORDS: Coherent States, Feinberg-Horodecki Equation, Time-Dependent Screened Kratzer-Hellmann Potential, Time-Dependent Kratzer Potential, Time-Dependent Yukawa Potential, Time-Dependent Hellmann Potential, Time-Dependent Coulomb Potential

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.8 No.7, July 8, 2020

  ABSTRACT: We obtain an approximate value of the quantized momentum eigenvalues, Pn, together with the space-like coherent eigenvectors for the space-like counterpart of the Schrödinger equation, the Feinberg-Horodecki equation, with a screened Kratzer-Hellmann potential which is constructed by the temporal counterpart of the spatial form of this potential. In addition, we got exact eigenvalues of the momentum and the eigenstates by solving Feinberg-Horodecki equation with Kratzer potential. The present work is illustrated with three special cases of the screened Kratzer-Hellman potential: the time-dependent screened Kratzer potential, time-dependent Hellmann potential and, the time-dependent screened Coulomb potential.