Effect of electric field emission on charging of dust particles in a plasma

The authors have considered the charging of spherical particles in a plasma, taking into account the electric field emission of electrons from the dust particles and the change in the electron/ion densities in the plasma. The dependence of the charge of a particle and electron/ion densities on the r...

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Bibliographic Details
Published inJournal of plasma physics Vol. 76; no. 2; pp. 159 - 168
Main Authors SODHA, MAHENDRA SINGH, DIXIT, AMRIT, PRAKASH, GYAN
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.04.2010
Subjects
Basic studies of specific kinds of plasmas
Density
Dust
Dusty or complex plasmas ; plasma crystals
Electric fields
Electrons
Emissions
Exact sciences and technology
Kinetics
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma physics
Ion density
Electron density
Dusty plasmas
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Summary:The authors have considered the charging of spherical particles in a plasma, taking into account the electric field emission of electrons from the dust particles and the change in the electron/ion densities in the plasma. The dependence of the charge of a particle and electron/ion densities on the radius and number of dust particles and the density of electrons/ions and the temperature in the undisturbed plasma has been studied numerically without and with the inclusion of the electric field emission of electrons from the particles. It is seen that both the electric field emission and the electron/ion kinetics significantly affect the charging process.
Bibliography:ArticleID:99018
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PII:S0022377809990183
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ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-3778
1469-7807
DOI:10.1017/S0022377809990183