期刊
PLASMA PHYSICS REPORTS
卷 49, 期 1, 页码 49-56出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063780X22600967
关键词
multicomponent plasma; integral fluid equations; dusty plasma; thermodynamic stability; Debye potential; Ornstein-Zernike equation
The thermodynamic stability of a multicomponent plasma is studied using Ornstein-Zernike integral equations. A transition is made to the one-component Ornstein-Zernike equation for the most non-ideal subsystem. It is shown that all pair correlation functions remain positive for the studied range of the non-ideality parameter. The conditions for the violation of thermodynamic stability of a three-component dusty plasma are investigated for different charge signs and number densities of the dust particles.
The thermodynamic stability of a multicomponent plasma is studied on the basis of the Ornstein-Zernike integral equations for a multicomponent fluid. A transition is made to the one-component Ornstein-Zernike equation for the most non-ideal subsystem for a plasma with any number of components under the conditions of applicability of the Debye approximation for direct correlation functions for all plasma components, except for the most non-ideal subsystem. It is shown that all pair correlation functions, charge-charge and number-number structure factors remain positive for all argument values in the entire studied range of the non-ideality parameter of the most non-ideal subsystem. The conditions for the violation of the thermodynamic stability of a three-component dusty plasma are studied for different signs of the charge of dust particles and their different number density.
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