Spin correlations in electron liquids: Analytical results for the local-field correction in two and three dimensions

被引：0
|
作者：
B. Tanatar
N. Mutluay
机构：
[1] Bilkent University,Department of Physics
来源：
The European Physical Journal B - Condensed Matter and Complex Systems | 1998年 / 1卷
关键词：
71.10.-w Theories and models of many electron systems ; - 71.45.Gm Exchange, correlation, dielectric and magnetic functions, plasmons ; - 73.20.Dx Electron states in low-dimensional structures (superlattices, quantum well structures and mutlilayers);
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摘要：
We study the spin correlations in two- and three-dimensional electron liquids within the sum-rule version of the self-consistent field approach of Singwi, Tosi, Land, and Sjölander. Analytic expressions for the spin-antisymmetric static structure factor and the corresponding local-field correction are obtained with density dependent coefficients. We calculate the spin-dependent pair-correlation functions, paramagnon dispersion, and static spin-response function within the present model, and discuss the spin-density wave instabilities in double-layer electron systems.
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页码：409 / 417
页数：8
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