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Plasma fluctuation ...
Plasma fluctuation spectra as a diagnostic tool for submicron dust
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- Ratynskaiy, Svetlana (author)
- KTH,Rymd- och plasmafysik
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De Angeli, M. (author)
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Lazzaro, E. (author)
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Marmolino, C. (author)
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de Angelis, U. (author)
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Castaldo, C. (author)
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Cremona, A. (author)
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Laguardia, L. (author)
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Gervasini, G. (author)
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Grosso, G. (author)
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(creator_code:org_t)
- AIP Publishing, 2010
- 2010
- English.
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In: Physics of Plasmas. - : AIP Publishing. - 1070-664X .- 1089-7674. ; 17:4, s. 043703-
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- It is shown that the measurements of density fluctuation spectra in dusty plasmas can constitute a basis for in situ diagnostic of invisible submicron dust. The self-consistent kinetic theory that includes the charging processes and the natural density fluctuations of the dust particles predicts modifications of the spectra due to the presence of dust. A laboratory experiment was carried out where submicron dust was produced in a gas phase and diagnosed by surface analysis of samples and by measurements of its influence on the plasma density fluctuation spectra. Quantitative comparison of the latter with the theory yields information on dust density, size, and distribution in agreement with the results of the surface analysis. The method can be applied to various plasma environments in laboratory and space.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- dusty plasmas
- plasma density
- plasma diagnostics
- plasma fluctuations
- plasma instability
- plasma kinetic theory
- Liquid physics
- Vätskefysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ratynskaiy, Svet ...
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De Angeli, M.
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Lazzaro, E.
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Marmolino, C.
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de Angelis, U.
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Castaldo, C.
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show more...
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Cremona, A.
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Laguardia, L.
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Gervasini, G.
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Grosso, G.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Physics of Plasm ...
- By the university
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Royal Institute of Technology