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2004 | 106 | 4 | 497-514
Article title

Static Local Field Factor and Ground State Properties of Interacting Electron Gas

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EN
Abstracts
EN
In the most general case, the calculation of the static local field factor G(q) for the unpolarised electron gas requires the knowledge of exchange-correlation energy functionals for both the parallel and antiparallel relative spin orientations of the electron gas system. Accurate density interpolation formulae using the quantum Monte Carlo data of Ceperley-Alder for the correlation energy of electron gas in both the "para" and "ferro" states, respectively, in the given density range are used for the calculation of G( q). Fulfilment of relevant consistency criteria is ensured and the local field factor so obtained renders significant improvement of ab initio pseudopotential calculation of effective interaction of Al. The Levin like interpolant of the correlation energy Ceperley-Alder data has been further used to study the ground state properties of the electron gas. It is also noted that a better understanding of the interacting electron gas properties requires a more accurate spin interpolation formula for the correlation energy than the existing ones.
Keywords
EN
Publisher

Year
Volume
106
Issue
4
Pages
497-514
Physical description
Dates
published
2004-10
received
2003-08-20
Contributors
author
  • Physics Department, Bijay Krishna Girls' College, Howrah-711 101, West Bengal, India
author
  • Physics Department, Asansol Engineering College, Asansol-4, West Bengal, India
author
  • Department of Physics, Jadavpur University, Calcutta-700032, West Bengal, India
author
  • Department of Physics, Barasat Govt. College, Barasat 700124, West Bengal, India
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv106n405kz
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