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Density functional approximation for the kinetic energy of independent electrons in one dimension

✍ Scribed by E. Combariza; E. Chacón; P. Tarazona


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
909 KB
Volume
180
Category
Article
ISSN
0378-4371

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📜 SIMILAR VOLUMES


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The new kinetic energy functional recently proposed by Plindov and Pogrebnya is analyzed by calculating total atomic energies for the corresponding model using the one-third power of a density constructed from a summation of decaying exponentials. As the number of terms in the summation increases, t

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The self-consistent Thomas᎐Fermi atom satisfying Poisson's equation in D dimensions has a functional derivative of the kinetic energy T with respect to the Ž . 2rD 1y2rD ground-state density n r proportional to n . But the Poisson equation relates n to ''reduced'' density derivatives n y1Ž d 2 n r d