Open Access
The Theory of Atomic Spectra
Edward U. Condon,G. H. Shortley +1 more
- pp 460
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TLDR
In this paper, the quantum mechanical method is applied to the theory of complex spectra and the Russell-Saunders case is used to obtain the energy levels of one-electron spectra.Abstract:
1. Introduction 2. The quantum mechanical method 3. Angular momentum 4. The theory of radiation 5. One-electron spectra 6. The central-field approximation 7. The Russell-Saunders case: energy levels 8. The Russell-Saunders case: eigenfunctions 9. The Russell-Saunders case: line strengths 10. Coupling 11. Intermediate coupling 12. Transformations in the theory of complex spectra 13. Configurations containing almost closed shells. X-rays 14. Central fields 15. Configuration interaction 16. The Zeeman effect 17. The Stark effect 18. The nucleus in atomic spectra Appendix. Universal constants and natural atomic units.read more
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A method for calculating the algebra of matrix elements for photoionization and line radiation
TL;DR: In this article, a detailed algebraic formulation of the matrix elements required in the calculation of photoionisation cross-sections and transition probabilities for line radiation is given. The formulation is based upon the Slater state expansion method: it is consistent with that developed by Eissner for calculating the angular coefficients required in setting up the coupled integro-differential equations of electron-atom collision theory.
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Construction of Symmetry‐Adapted Functions in the Many‐Particle Problem
TL;DR: In this paper, a method for obtaining many-particle angular momentum eigenfunctions and matrix elements of an invariant Hamiltonian is presented. But it is only applied to spin coupling of configurations with three, four, and five particles outside closed shells.
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On calculations of correlated wave functions with heavy configurational mixing
TL;DR: In this article, the theory and computation of wave functions and energies of discrete states of polyelectronic atoms that are represented in zero order by configurations with holes in subshells below the valence subshell were discussed.
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Molecular orbital theory for heavy‐metal luminescent centers: Application to the La2O3:Bi phosphor
TL;DR: In this article, a semi-consistent charge and configuration molecular orbital theory for the problem of optical electronic states in phosphors doped by heavy metal ions is constructed for the case of La2O3:Bi and reasonable agreement is found with presently available excitation spectra, thermoluminescence, and decay time data.
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M1-E2 interference in the Zeeman effect of the 461.5 nm line of Bi I
TL;DR: In this paper, a special computer program considering the M1-E2 interference was designed to obtain the predicted contour of the Zeeman structure of the forbidden line 461.5 nm.