GROUND STATE ENERGY IN THE ISOELECTRIC SUCCESSION OF ORTOHELIUM
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Roger Maya, R., & Campos R., D. (2024). GROUND STATE ENERGY IN THE ISOELECTRIC SUCCESSION OF ORTOHELIUM. Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales, 21(81), 497–501. https://doi.org/10.18257/raccefyn.21(81).1997.3001

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Abstract

This paper address the problem of finding the quantum energy of the ground state of the ortohelium isoelectronic sequence (2 ≤ Z ≤10) by combining the Eckart model and the perturbation theory in the so-called First Born approximation.

https://doi.org/10.18257/raccefyn.21(81).1997.3001

Keywords

Helium | ortohelium | Eckart's model | perturbation theory
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References

Arias de Saavedra, F. & E. Buendía. 1994. Perturbative-variational approximation of the ground state of two- electron atoms. J. Phys. B: At. Mol. Opt. Phys. 27:1277.

Brändas, E. & O. Goscinski. 1970. Variational- Perturbations and Padé Approximants to the Energy. Phys. Rev. A 1(3):552-560.

Callan, E.J. 1973. On the Energies of Two-Electron Atoms and lons. Int. J. Q. Chem. Symp. 7:111-115.

Campos, D. 1995a. Átomos de dos electrones en el estado base: Comparación de algunas predicciones teóricas. Momento 11:17-26.

Campos, D. 1995b. On the Time-Independent Perturbation Theory. Z. Naturforschung 50a(8):727-736.

Campos, D. 1997. Fundamentos de física atómica y molecular. Bogotá: Editorial Universidad Nacional.

Eckart, C. 1930. The Theory and Calculation of Screening Constants. Phys. Rev. 36:878.

Froese Fischer, C. 1977. The Hartree-Fock Method for Atoms. New York: Wiley.

Grau, D. 1988. Übungsaufgaben zur Quantentheorie. München: Carl Hanser Verlag.

Hylleraas, E.A. 1929. Neue Berechnung der Energie des Heliums im Grundzustande, sowie des tiefsten Terms von Ortho-Helium. Z. Phys. 54:347.

Hylleraas, E.A. 1930. Ueber den Grundterm der Zweielektronenprobleme von H, He, Li*, Beusw. Z. Phys. 65:209.

Hylleraas, E.A. 1964. The Schrödinger Two-Electron Atomic Problem en Löwdin P.-O. (ed.) Advances in Quantum Chemistry. 1. Academic Press. New York. 1-33.

Sanders, F.C. & C.W. Scherr. 1969. Perturbation Study of some Excited States of Two-Electron Atoms. Phys. Rev. 181(1):84-97.

Tripathy, D.N., B. Padhy, & D.K. Rai. 1995. Two- parameter wavefunction for the ground state of the helium isoelectronic sequence. J. Phys. B:At. Mol. Phys. 28:L41-146.

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