Semiclassical dynamics and time correlations in two-component plasmas

Details Semiclassical dynamics and time correlations in two-component plasmas Semiclassical dynamics and time correlations in two-component plasmas

1999-12-20

arxiv.org/abs/physics/9912039v1

Contrib. Plasma Phys. vol. 39, p. 311-321 (1999)

Physics

Plasma Physics

12 pages, 3 figures

Scientific paper

10.1002/ctpp.2150390405

The semiclassical dynamics of a charged particle moving in a two-component plasma is considered using a corrected Kelbg pseudopotential. We employ the classical Nevanlinna-type theory of frequency moments to determine the velocity and force autocorrelation functions. The constructed expressions preserve the exact short and long-time behavior of the autocorrelators. The short-time behavior is characterized by two parameters which are expressable through the plasma static correlation functions. The long-time behavior is determined by the self-diffusion coefficient. The theoretical predictions are compared with the results of semiclassical molecular dynamics simulation.

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