Spin correlations in electron liquids: Analytical results for the local-field correction in two and three dimensions
Date
1998
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Source Title
European Physical Journal B
Print ISSN
1434-6028
Electronic ISSN
1434-6036
Publisher
Springer
Volume
1
Issue
4
Pages
409 - 417
Language
English
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Abstract
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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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) , Quantum theory , Theory , Electron liquids , Paramagnon dispersion , Self-consistent field approach , Spin correlation , Electronic structure