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| Titel |
Dust-acoustic solitary structures in plasmas with nonthermal electrons and positive dust |
| VerfasserIn |
F. Verheest, S. R. Pillay |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 15, no. 4 ; Nr. 15, no. 4 (2008-07-14), S.551-555 |
| Datensatznummer |
250012707
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| Publikation (Nr.) |
 copernicus.org/npg-15-551-2008.pdf |
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| Zusammenfassung |
| Large dust-acoustic solitons and kinks in dusty plasmas with positive cold
dust, nonthermally distributed electrons and Boltzmann ions have been
studied in a systematic way, to delimit their compositional parameter
space.
The existence domain of positive solitons is limited by infinite dust
compression, of negative ones by the occurrence of potential kinks,
provided the electrons are sufficiently nonthermal and there is sufficient
positive charge on the dust.
There is a parameter range where both negative and positive solitary
structures coexist. |
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