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Kinetics of fluid demixing in complex plasmas: Domain growth analysis using Minkowski tensors

Böbel, Alexander and Räth, Christoph (2016) Kinetics of fluid demixing in complex plasmas: Domain growth analysis using Minkowski tensors. 58th Annual Meeting of the APS Division of Plasma Physics, 31. Okt. –04.Nov. 2016, San Jose, CA, USA.

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Abstract

The demixing process of a binary complex plasma is analyzed and the role of distinct interaction potentials is discussed by using morphological Minkowski tensor (MT) analysis of the minority phase domain growth in a demixing simulated binary complex plasma. These MT methods are compared with previous results that utilized a power-spectrum method based on the time-dependent average structure factor. It is shown that the MT methods are superior to the previously used method in the sense of higher sensitivity to changes in domain size. By analysis of the slope of the temporal evolution of MT measures qualitative differences between the case of particle interaction with a single length scale compared to particle interactions with two different length scales (dominating long range interaction) are revealed. After proper scaling the graphs for the two length scale scenarios coincide, pointing towards universal behavior. Thus, Minkowski tensor analysis is likely to become a useful tool for further investigation of this (and other) demixing processes. It is capable to reveal (nonlinear) local topological properties, probing deeper than (linear) global power-spectrum analysis, however, still providing easily interpretable results founded on a solid mathematical framework.

Item URL in elib:https://elib.dlr.de/109404/
Document Type:Conference or Workshop Item (Speech)
Title:Kinetics of fluid demixing in complex plasmas: Domain growth analysis using Minkowski tensors
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Böbel, AlexanderAlexander.Boebel (at) dlr.deUNSPECIFIED
Räth, ChristophChristoph.Raeth (at) dlr.deUNSPECIFIED
Date:31 October 2016
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Komplexes Plasma, Datenanalyse, Statistische Physik, Phasenübergänge, Morphologie
Event Title:58th Annual Meeting of the APS Division of Plasma Physics
Event Location:San Jose, CA, USA
Event Type:international Conference
Event Dates:31. Okt. –04.Nov. 2016
Organizer:APS
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 / Data analysis, R - Komplexe Plasmen / Theory, Simulation
Location: Oberpfaffenhofen
Institutes and Institutions:Research Group Complex Plasma
Research Group Complex Plasma > Research Group Complex Plasma
Deposited By: Böbel, Alexander
Deposited On:12 Dec 2016 09:27
Last Modified:31 Jul 2019 20:06

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