Interparticle Attraction in 2D Complex Plasmas

Complex (dusty) plasmas allow experimental studies of various physical processes occurring in classical liquids and solids by directly observing individual microparticles. A major problem is that the interaction between microparticles is generally not molecularlike. In this Letter, we propose how to...

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Bibliographic Details
Published in:Physical review letters 2016-03, Vol.116 (12), p.125001-125001, Article 125001
Main Authors: Kompaneets, Roman, Morfill, Gregor E, Ivlev, Alexei V
Format: Article
Language:English
Subjects:
Adjustment
Attraction
Discharge
Liquids
Mathematical models
Microparticles
Plasmas
Two dimensional
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Summary:Complex (dusty) plasmas allow experimental studies of various physical processes occurring in classical liquids and solids by directly observing individual microparticles. A major problem is that the interaction between microparticles is generally not molecularlike. In this Letter, we propose how to achieve a molecularlike interaction potential in laboratory 2D complex plasmas. We argue that this principal aim can be achieved by using relatively small microparticles and properly adjusting discharge parameters. If experimentally confirmed, this will make it possible to employ complex plasmas as a model system with an interaction potential resembling that of conventional liquids.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.116.125001