"Ideal'nost'" "neideal'noy" plazmy-Reference-Cited by-同舟云学术

"Ideal'nost'" "neideal'noy" plazmy

Published:2023-04-15 Issue:4 Volume:163 Page:609-616
ISSN:0044-4510
Container-title:Журнал экспериментальной и теоретической физики
language:
Short-container-title:Žurnal èksperimentalʹnoj i teoretičeskoj fiziki

Author:

Khomkin A. L¹,Shumikhin A. S¹

Affiliation:

1. Joint Institute for High Temperatures, Russian Academy of Sciences

Abstract

Two chemical models of the plasma, which describe the mixture of free electrons, ions, and atoms, are derived using identity transformations based on the equation of state of the “physical” model of the plasma, in which an interacting mixture of electrons and nuclei (protons) us considered. These chemical models satisfy Onsager’s bookkeeping rule (the equation of state is independent on the position of the bookmark, viz., the boundary separating free and bound states). The effect of excited states of an atom on the equation of state and ionization equilibrium is analyzed. It is concluded that the contribution of the Debye attraction in traditional “chemical” models is overestimated. The relations obtained for the ionization potential lowering and the equations of state differ significantly from the generally accepted expressions and explain qualitatively the experimentally observed effect of “ideality” of a nonideal plasma.

Publisher

The Russian Academy of Sciences

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