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Dispersion relations of Yukawa fluids at weak and moderate coupling

Khrapak, Sergey and Couedel, Lenaic (2020) Dispersion relations of Yukawa fluids at weak and moderate coupling. Physical Review E, 102, 033207. American Physical Society. doi: 10.1103/PhysRevE.102.033207. ISSN 2470-0045.

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Official URL: https://journals.aps.org/pre/abstract/10.1103/PhysRevE.102.033207

Abstract

In this paper we compare different theoretical approaches to describe the dispersion of collective modes in Yukawa fluids when the interparticle coupling is relatively weak, so that the kinetic and potential contributions to the dispersion relation compete with each other. A thorough comparison with the results from molecular dynamics simulation allows us to conclude that, in the investigated regime, the best description is provided by the sum of the generalized excess bulk modulus and the Bohm-Gross kinetic term.

Item URL in elib:https://elib.dlr.de/136383/
Document Type:Article
Title:Dispersion relations of Yukawa fluids at weak and moderate coupling
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Khrapak, SergeyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Couedel, LenaicUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:21 September 2020
Journal or Publication Title:Physical Review E
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:102
DOI:10.1103/PhysRevE.102.033207
Page Range:033207
Publisher:American Physical Society
ISSN:2470-0045
Status:Published
Keywords:Yukawa fluids, complex (dusty) plasma, waves in dusty plasmas, dust acoustic waves, weakly coupled Yukawa systems, collective modes in Yukawa fluids, Yukawa gases
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Komplexe Plasmen / Theory, Simulation (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Materials Physics in Space > Research Group Complex Plasma
Deposited By: Khrapak, Sergey
Deposited On:06 Oct 2020 08:37
Last Modified:24 Oct 2023 11:55

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