Prog. Theor. Phys. Vol. 65 No. 1 (1981) pp. 66-82

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Structural Expansion for the Ground-State Energy of Simple Metals. IV

— Static Dielectric Function —

Hiroshi Miyagi

Department of Material Physics, Faculty of Engineering Science, Osaka University, Toyonaka 560

(Received May 20, 1980; Revised October 2, 1980)

Abstract:

In order to obtain the static dielectric function of electron gas in the region r_s=1.0∼3.0, the second-order polarization terms are figured out comprehensively with the Thomas-Fermi screened interaction. Particularly detailed study is given for ε(q, 0) in the limit q=0 with inclusion of the dynamical effect. The resulting function ε(q, 0) is presented by incorporating the present results into our previous ones for the first-order polarization terms with full account of the dynamical effect.

URL : http://ptp.ipap.jp/link?PTP/65/66/
DOI : 10.1143/PTP.65.66

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Citing Article(s) :

Progress of Theoretical Physics Vol. 68 No. 3 (1982) pp. 781-794 :
Exchange-Correlation Effects on the Higher-Order Polarizations of an Electron Gas

Kuniyoshi Ebina, Hitose Nagara and Hiroshi Miyagi