Many-body correlations in the kinetic theory of solids

Multiquantum integral kinetic equations for the micropolarization and longitudinal di- electric function are derived with account of pair correlations. The Heisenberg equation of motion and fluctuation-dissipation theorem has been used to calculate a micropolarization. It has been shown that kine...

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Autor principal: Cliucanov, Alexandr
Formato: article
Lenguaje:EN
Publicado: D.Ghitu Institute of Electronic Engineering and Nanotechnologies 2009
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Acceso en línea:https://doaj.org/article/fb9eb7f9134b4d379f4fbf514a606c21
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Sumario:Multiquantum integral kinetic equations for the micropolarization and longitudinal di- electric function are derived with account of pair correlations. The Heisenberg equation of motion and fluctuation-dissipation theorem has been used to calculate a micropolarization. It has been shown that kinetic equation for a micropolarization may be represented as power series in fluctuations of the instantaneous plasma field near the mean field. Direct Coulomb pair correlations have been evaluated explicitly by means of fluctuation-dissipation theorem. The kinetic motion equation with regard for pair correlations has been used to derive a multiquantum integral equation for the complex order parameter k Δ in a superconductor.