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On the electrical conductivity of semiclassical two-component plasmas

Published online by Cambridge University Press:  12 December 2002

YU. V. ARKHIPOV ,
F. B. BAIMBETOV ,
A. E. DAVLETOV  and
K. V. STARIKOV
YU. V. ARKHIPOV
Affiliation:
Department of Physics, Kazakh State University, Tole Bi 96, Almaty 480012, Kazakhstan
F. B. BAIMBETOV
Affiliation:
Department of Physics, Kazakh State University, Tole Bi 96, Almaty 480012, Kazakhstan
A. E. DAVLETOV
Affiliation:
Department of Physics, Kazakh State University, Tole Bi 96, Almaty 480012, Kazakhstan
K. V. STARIKOV
Affiliation:
Department of Physics, Kazakh State University, Tole Bi 96, Almaty 480012, Kazakhstan
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Abstract

Starting from a memory-function formalism coupled with the Green– Kubo formula and an approximate expression for the generalized Coulomb logarithm, the electric conductivity of a dense high-temperature hydrogen plasma is studied. A pseudopotential model, taking account of short-range quantum effects and long-range screening-field effects, is employed to include quantum mechanical and polarization effects. An analytical formula for the Coulomb logarithm is proposed when the thermal de Broglie wavelengths are rather smaller than the Debye radius. A minimum in the curve of electrical conductivity is found and some physical evidence for its appearance is produced.

Type
Research Article
Information
Journal of Plasma Physics , Volume 68 , Issue 2 , August 2002 , pp. 81 - 86
Copyright
2002 Cambridge University Press

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