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Materias / palabras clave: Electronegativity; Density functional theory; Time-dependent density functional theory; Atom (system on chip); Functional theory; Orbital-free density functional theory; Molecule; Atoms in molecules; Density matrix; Comp...

We assess various approximate forms for the correlation energy per particle of the spin-polarized homogeneous electron gas that have frequently been used in applications of the local spin density approximation to the exc...