Abstract
The well known Thomas-Fermi theory with its subsequent development, provides a local density functional in terms of powers of the free electron gas parameter p1/3. For spherically symmetric charge densities, additional terms including 1/r, 1/r2, ∂/∂r and ∂2/∂r2 should be studied. The way they arise from the study of charge densities and the results that could be expected with their use, are analyzed in the present paper.
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© 1981 Springer-Verlag
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Keller, J., Keller, C., Amador, C. (1981). Density functionals from models of the electronic charge density. In: Zabolitzky, J.G., de Llano, M., Fortes, M., Clark, J.W. (eds) Recent Progress in Many-Body Theories. Lecture Notes in Physics, vol 142. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0018179
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DOI: https://doi.org/10.1007/BFb0018179
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