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An approximate local-density expression for the correlation energy of atoms

โœ Scribed by R.L. Boada; V.V. Karasiov

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
232 KB
Volume
175
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

An approximation for the correlation energy of closed-shell atomic systems is derived in the framework of the density-functional method based on perturbation theory.

๐Ÿ“œ SIMILAR VOLUMES

Universal density functional approach to
Universal density functional approach to the calculation of correlation energies of atoms
โœ Swapan K. Ghosh; Alok Samanta; B. M. Deb ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 133 KB ๐Ÿ‘ 2 views

A new local density functional approach for the calculation of correlation energies of many-electron atomic systems is proposed by using the exact results for the correlation energy of a two-electron system bound by a harmonic oscillator external potential. This is motivated by the fact that the cor