Phys. Rev. E 69, 066412 (2004) - Internal versus external conductivity of a dense plasma: Many-particle theory and simulations

Internal versus external conductivity of a dense plasma: Many-particle theory and simulations

H. Reinholz, I. Morozov, G. Röpke, and Th. Millat

Phys. Rev. E 69, 066412 – Published 15 June 2004

Abstract

In the long-wavelength limit $k = 0$ , the response function has been investigated with respect to the external and internal fields which is expressed by the external and internal conductivity, respectively. Molecular dynamics simulations are performed to obtain the current-current correlation function and the dynamical collision frequency which are compared with analytical expressions. Special attention is given to the dynamical collision frequency and the description of plasma oscillations in the case of $k = 0$ . The relation between the external and internal conductivity and the current-current correlation function is analyzed.

Received 17 October 2003

DOI:https://doi.org/10.1103/PhysRevE.69.066412

©2004 American Physical Society

Authors & Affiliations

University of Western Australia, School of Physics, 35 Stirling Highway, Crawley, WA 6009, Australia

Institute for High Energy Densities of RAS, IHED-IVTAN, Izhorskaya, 13∕19, Moscow 125412, Russia

G. Röpke and Th. Millat

University of Rostock, FB Physik, Universitätsplatz 3, D-18051 Rostock, Germany

^*Corresponding author. FAX: +49(0)381-498 6942;Email address: heidi@physics.uwa.edu.au.

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Issue

Vol. 69, Iss. 6 — June 2004

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