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Two-dimensional plasma crystals: waves and instabilities

Couedel, L. and Nosenko, V. and Zhdanov, Sergey and Laut, Ingo and Ivlev, Alexei and Yakovlev, E. V. and Kislov, A. Y. and Yurchenko, S. O. and Lipaev, Andrey (2017) Two-dimensional plasma crystals: waves and instabilities. XXXIII International Conference on Phenomena in Ionized Gases, 9-14 July 2017, Estoril, Portugal. (Unpublished)

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Official URL: http://icpig2017.tecnico.ulisboa.pt/


Wake-mediated interactions result in the coupling between wave modes in 2D complex plasma crystals, which can trigger the mode-coupling instability and cause melting. Spectra of phonons with out-of-plane polarization were studied experimentally in 2D plasma crystals during dedicated experiments on the mode-coupling instability. The kinematics of dust particles during the early stage of mode-coupling induced melting is explored. It is found that the formation of the hybrid mode causes the particle vibrations to partially synchronize at the hybrid frequency. The spatial orientation of the synchronization pattern correlates well with the directions of the maximal increment of the shear-free hybrid mode.

Item URL in elib:https://elib.dlr.de/113463/
Document Type:Conference or Workshop Item (Speech)
Title:Two-dimensional plasma crystals: waves and instabilities
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Couedel, L.cnrs, aix-marseille universiteUNSPECIFIED
Nosenko, V.v.nosenko (at) dlr.deUNSPECIFIED
Zhdanov, Sergeysergey.zhdanov (at) dlr.deUNSPECIFIED
Laut, Ingodlr research group complex plasma, oberpfaffenhofenUNSPECIFIED
Ivlev, Alexeimax-planck-institut für extraterrestrische physik, giessenbachstrasse, 85748 garching, germanyUNSPECIFIED
Yakovlev, E. V.Bauman Moscow State Technical University, Moscow, RussiaUNSPECIFIED
Kislov, A. Y.Bauman Moscow State Technical University, Moscow, RussiaUNSPECIFIED
Yurchenko, S. O.Bauman Moscow State Technical University, Moscow, RussiaUNSPECIFIED
Lipaev, Andreyjoint institute for high temperatures, ras, moscowUNSPECIFIED
Date:10 July 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:plasma crystal, mode-coupling instability, synchronization
Event Title:XXXIII International Conference on Phenomena in Ionized Gases
Event Location:Estoril, Portugal
Event Type:international Conference
Event Dates:9-14 July 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 / Laboratory research
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Materials Physics in Space > Research Group Complex Plasma
Deposited By: Nosenko, Volodymyr
Deposited On:31 Jul 2017 06:54
Last Modified:31 Jul 2017 06:54

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