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Self-consistent Hartree-Fock calculation of exchange effects in a weakly inhomogeneous electron gas

Geldart, D. J. Wallace ; Rasolt, Mark and Almbladh, Carl-Olof LU (1975) In Solid State Communications 16(2). p.243-246
Abstract
An exact calculation is given for the function Bx(n) which enters the Hohenberg-Kohn-Sham expansion, in powers of ▿n(r), of the echange energy of an inhomogeneous eletron gas. The calculation is made for arbitrary inter-particle interaction. It is shown that the gradient expansion does not exist, in the case of Coulomb interaction, unless correlations are taken into account.
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
many-body theory, density functional theory, Electron gas
in
Solid State Communications
volume
16
issue
2
pages
243 - 246
publisher
Pergamon Press Ltd.
external identifiers
  • scopus:0016435372
ISSN
1879-2766
language
English
LU publication?
yes
id
8ed07cd4-ce0a-4b71-b315-134a11eef91b (old id 8772426)
date added to LUP
2016-04-04 10:05:32
date last changed
2021-01-03 09:26:38
@article{8ed07cd4-ce0a-4b71-b315-134a11eef91b,
  abstract     = {{An exact calculation is given for the function Bx(n) which enters the Hohenberg-Kohn-Sham expansion, in powers of ▿n(r), of the echange energy of an inhomogeneous eletron gas. The calculation is made for arbitrary inter-particle interaction. It is shown that the gradient expansion does not exist, in the case of Coulomb interaction, unless correlations are taken into account.}},
  author       = {{Geldart, D. J. Wallace and Rasolt, Mark and Almbladh, Carl-Olof}},
  issn         = {{1879-2766}},
  keywords     = {{many-body theory; density functional theory; Electron gas}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{243--246}},
  publisher    = {{Pergamon Press Ltd.}},
  series       = {{Solid State Communications}},
  title        = {{Self-consistent Hartree-Fock calculation of exchange effects in a weakly inhomogeneous electron gas}},
  volume       = {{16}},
  year         = {{1975}},
}