Analytic expression for the dielectric screening function of strongly coupled electron liquids at metallic and lower densities

作者：Setsuo Ichimaru, Kenichi Utsumi · 发表于：Physical review. B, Condensed matter · 年份：1981 · DOI：10.1103/physrevb.24.7385 · 被引用次数：561 · 研究领域：Thermal Expansion and Ionic Conductivity、Inorganic Fluorides and Related Compounds、Magnesium Oxide Properties and Applications

We propose a fitting formula for the dielectric screening function of the degenerate electron liquids at metallic and lower densities which accurately reproduces the recent Monte Carlo results as well as those of the microscopic calculations and which satisfies the self-consistency conditions in the compressibility sum rule and the short-range correlation.