Browsing by Subject "Paramagnon dispersion"

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    Spin correlations in electron liquids: Analytical results for the local-field correction in two and three dimensions
    (Springer, 1998) Tanatar, Bilal; Mutluay, N.
    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.