The long-wavelength behaviour of the structure factor of liquid alkali metals

T. J. Sluckin, Robert Evans*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

86 Citations (Scopus)

Abstract

The authors present results of calculations of the low-q behaviour of the liquid structure factor S(q) of the alkali metals for a wide range of thermodynamic states. Assuming that the interionic forces can be modelled by the effective pairwise potential arising in second-order pseudopotential theory, they have calculated S(q) for small q using two different random-phase approximations. The first employs a hard-sphere reference system and the second uses the one-component plasma as the reference system. The second scheme enables them to evaluate S(0) and the coefficient of q 2 in S(q) analytically.

Original languageEnglish
Article number009
Pages (from-to)3137-3153
Number of pages17
JournalJournal of Physics C (Solid State Physics)
Volume14
Issue number22
DOIs
Publication statusPublished - 1981

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