Fairushin Ilnaz I, Mokshin Anatolii V
Department of Computational Physics, Institute of Physics, Kazan Federal University, 420008 Kazan, Russia.
Phys Rev E. 2023 Jul;108(1-2):015206. doi: 10.1103/PhysRevE.108.015206.
In this paper, we present the theoretical formalism describing the collective ion dynamics of the nonideal Coulomb classical one-component plasmas on the basis of the self-consistent relaxation theory. The theory is adapted to account for correlations between the frequency relaxation parameters that characterize the three- and four-particle dynamics and the parameters associated with the two-particle dynamics. The dynamic structure factor spectra and dispersion characteristics calculated for a wide range of wave numbers are in agreement with the molecular dynamics simulation data and the results obtained with the theory of the frequency moments. The proposed formalism reproduces all the features inherent to the Coulomb one-component plasmas and requires only knowledge of the coupling parameter and the information about the structure.
在本文中，我们基于自洽弛豫理论，给出了描述非理想库仑经典单组分等离子体集体离子动力学的理论形式。该理论适用于考虑表征三粒子和四粒子动力学的频率弛豫参数与与两粒子动力学相关的参数之间的相关性。针对广泛波数范围计算得到的动态结构因子谱和色散特性与分子动力学模拟数据以及用频率矩理论获得的结果一致。所提出的形式主义再现了库仑单组分等离子体固有的所有特征，并且只需要耦合参数的知识和有关结构的信息。
