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Atomic kinetic- and exchange-energy functionals by means of local-scaling transformations
ArticleAbstract: Using several types of simple generating orbitals, explicit expressions for the kinetic-energy functPalabras claves:density functional theory, Exchange-energy functionals, Kinetic-energy functionals, Local-scaling transformationsAutores:Colle R., Eduardo V. Ludeña, Karasiev V.V., López‐boada R.Fuentes:scopusA numerical method for the topological analysis of the Laplacian of the electronic charge density in molecules and solids
ArticleAbstract: A numerical method that analyzes the topology of the Laplacian of the electronic density regardlessPalabras claves:Autores:López‐boada R., Rodríguez J.A., Yosslen R. ArayFuentes:scopusCalculation of the defect kinetic energy in Kohn-Sham theory by means of local-scaling transformations
ArticleAbstract: The kinetic-energy difference ΔT=T-Ts[ρ0] is calculated for the helium isoelectronic series and forPalabras claves:Autores:Eduardo V. Ludeña, Koga T., Kryachko E.S., López‐boada R., Maldonado J.E.Fuentes:scopusApproximate kinetic energy density functionals generated by local-scaling transformations
ArticleAbstract: Different stages in the development of density functional theory are succinctly reviewed for the purPalabras claves:density functional theory, Explicit kinetic energy functionals, Kinetic energy density functionals, Kinetic energy of first-row atoms, Local-scaling transformationsAutores:Eduardo V. Ludeña, López‐boada R., Pino R.Fuentes:scopusGeneration of explicit electron correlation functional by means of local scaling transformations
ArticleAbstract: We discuss in the present work the treatment of electron correlation within the context of the localPalabras claves:DFT, electron correlation, Local scaling transformationAutores:Colle R., Eduardo V. Ludeña, Karasiev V.V., López‐boada R.Fuentes:scopusExact exchange-only density functional theory by means of local scaling transformations
ArticleAbstract: The density-constrained variation of the kinetic energy of a non-interacting system carried out withPalabras claves:Autores:Eduardo V. Ludeña, López‐boada R., Maldonado J.E.Fuentes:scopusExplicit density functionals for the energy by means of padé approximants to local-scaling transformations
Book PartAbstract: We review in the present work the explicit construction of energy density functionals within the locPalabras claves:Autores:Eduardo V. Ludeña, López‐boada R., Pino R.Fuentes:scopusHartree-Fock calculations in the context of the local-scaling transformation version of density functional theory. Applications to the lithium and beryllium atoms
ArticleAbstract: We advance a reformulation of the Hartree-Fock problem in the context of the local-scaling transformPalabras claves:Beryllium, DFT, Hartree-Fock, Lithium, Local-scaling DFTAutores:Eduardo V. Ludeña, López‐boada R.Fuentes:scopusHartree-Fock energy-density functionals generated by local-scaling transformations: Applications to first-row atoms
ArticleAbstract: We report energy calculations of selected first-row atoms using explicit approximate Hartree-Fock fuPalabras claves:Autores:Eduardo V. Ludeña, Karasiev V.V., López‐boada R., Pino R.Fuentes:scopusLocal density calculations of correlation energy for molecular systems
ArticleAbstract: The correlation energy for various diatomic molecules is calculated employing the expressions recentPalabras claves:Autores:López‐boada R., Valderrama E., Yosslen R. ArayFuentes:scopus