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Dielectric function of dense plasmas, their stopping power, and sum rules

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Autores UPV

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Physical review. E, Statistical, nonlinear, and soft matter physics

Abstract

Mathematical, particularly, asymptotic properties of the random-phase approximation, Mermin approximation, and extended Mermin-type approximation of the coupled plasma dielectric function are analyzed within the method of moments. These models are generalized for two-component plasmas. Some drawbacks and advantages of the above models are pointed out. The two-component plasma stopping power is shown to be enhanced with respect to that of the electron fluid.