Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Plasmas
1 (1994), S. 2026-2037
ISSN:
1089-7674
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A quantum collective approach is developed to investigate linear transport properties of a system of highly degenerate weakly coupled electrons and strongly coupled semiclassical ions. The basic formalism rests upon suitable extention of the Boltzmann–Bloch quantum transport equation. The model considers electron–ion (e–i) and electron–electron (e–e) collisions in a unified scheme of both long- and short-range Coulomb interactions. The e–e collisions contribute to the thermal conductivity calculation in the low coupling regime. Even though they can be insignificant for strongly coupled systems, the extensively used Lorentz gas approximation cannot be justified for plasmas of astrophysical interests. It is shown that the Lorentz ratio of high-density plasma may exhibit substantial negative deviation from the ideal Sommerfeld value, due to some nonidealities, such as e–e interaction and quantum effects. Results are presented under analytical and compact forms allowing numerical applications, as well as comparisons with existing theories.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.870657
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