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Collective Modes in Two-Dimensional One-Component-Plasma with Logarithmic Interaction

Khrapak, Sergey and Klumov, Boris and Khrapak, Alexey (2017) Collective Modes in Two-Dimensional One-Component-Plasma with Logarithmic Interaction. ICPDP8, 20-25 May 2017, Prague, Czech Republic. (Unpublished)

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Abstract

Collective modes of a two-dimensional one-component-plasma (2D OCP) with the repulsive logarithmic interaction between the particles are analyzed using the quasi-crystalline approximation (QCA) combined with the molecular dynamic simulation of the equilibrium structural properties. It is found that the dispersion curves in the strongly coupled regime are virtually independent of the coupling strength. Arguments based on the excluded volume consideration for the radial distribution function allow us to derive very simple expressions for the dispersion relations, which show excellent agreement with the exact QCA dispersion over the entire domain of wavelengths.

Item URL in elib:https://elib.dlr.de/113187/
Document Type:Conference or Workshop Item (Poster)
Title:Collective Modes in Two-Dimensional One-Component-Plasma with Logarithmic Interaction
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Khrapak, Sergeydlr, sergey.khrapak (at) dlr.deUNSPECIFIED
Klumov, Borisaix-marseille-universityUNSPECIFIED
Khrapak, Alexeyrussian academy of sciences, khrapak (at) mail.ruUNSPECIFIED
Date:2017
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:collective modes in one-component plasma, one-component plasma in two dimensions, strongly coupled plasmas
Event Title:ICPDP8
Event Location:Prague, Czech Republic
Event Type:international Conference
Event Dates:20-25 May 2017
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 - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Komplexe Plasmen / Theory, Simulation
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Materials Physics in Space > Research Group Complex Plasma
Institute of Materials Physics in Space
Deposited By: Khrapak, Sergey
Deposited On:24 Jul 2017 09:30
Last Modified:31 Jul 2019 20:10

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