Physical Review E, volume 105, issue 2, publication number 025204

Self-consistent relaxation theory of collective ion dynamics in Yukawa one-component plasmas under intermediate screening regimes.

Publication typeJournal Article
Publication date2022-02-18
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor2.4
ISSN24700045, 24700053, 15393755, 15502376, 1063651X, 10953787
Abstract
The self-consistent relaxation theory is employed to describe the collective ion dynamics in strongly coupled Yukawa classical one-component plasmas. The theory is applied to equilibrium states corresponding to intermediate screening regimes with appropriate values of the structure and coupling parameters. The information about the structure (the radial distribution function and the static structure factor) and the thermodynamics of the system are sufficient to describe collective dynamics over a wide range of spatial scales, namely, from the extended hydrodynamic to the microscopic dynamics scale. The main experimentally measurable characteristics of the equilibrium collective dynamics of ions-the spectrum of the dynamic structure factor, the dispersion parameters, the speed of sound, and the sound attenuation-are determined within the framework of the theory without using any adjustable parameters. The results demonstrate agreement with molecular dynamics simulations. Thus a direct realization is presented of the key idea of statistical mechanics: for the theoretical description of the collective particle dynamics in equilibrium fluids it is sufficient to know the interparticle interaction potential and the structural characteristics. Comparison with alternative or complementary theoretical approaches is provided.

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Mokshin A. V. et al. Self-consistent relaxation theory of collective ion dynamics in Yukawa one-component plasmas under intermediate screening regimes. // Physical Review E. 2022. Vol. 105. No. 2. 025204
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Mokshin A. V., Fairushin I. I., Tkachenko I. M. Self-consistent relaxation theory of collective ion dynamics in Yukawa one-component plasmas under intermediate screening regimes. // Physical Review E. 2022. Vol. 105. No. 2. 025204
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TY - JOUR
DO - 10.1103/PhysRevE.105.025204
UR - https://doi.org/10.1103%2FPhysRevE.105.025204
TI - Self-consistent relaxation theory of collective ion dynamics in Yukawa one-component plasmas under intermediate screening regimes.
T2 - Physical Review E
AU - Mokshin, Anatolii V.
AU - Fairushin, Ilnaz I.
AU - Tkachenko, Igor M.
PY - 2022
DA - 2022/02/18 00:00:00
PB - American Physical Society (APS)
IS - 2
VL - 105
SN - 2470-0045
SN - 2470-0053
SN - 1539-3755
SN - 1550-2376
SN - 1063-651X
SN - 1095-3787
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Mokshin,
author = {Anatolii V. Mokshin and Ilnaz I. Fairushin and Igor M. Tkachenko},
title = {Self-consistent relaxation theory of collective ion dynamics in Yukawa one-component plasmas under intermediate screening regimes.},
journal = {Physical Review E},
year = {2022},
volume = {105},
publisher = {American Physical Society (APS)},
month = {feb},
url = {https://doi.org/10.1103%2FPhysRevE.105.025204},
number = {2},
doi = {10.1103/PhysRevE.105.025204}
}
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