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Nonlinear phenomena in screening of highly charged grains in plasmas
Nonlinear effects in screening a high-Z grain immersed in a plasma background were investigated by means of microscopic Monte-Carlo simulations and within the Poisson-Boltzmann theory. A distinct difference from the linear Debye-Hückel approximation was detected in the case of a strong plasm...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Інститут фізики конденсованих систем НАН України
1998
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| Series: | Condensed Matter Physics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/118823 |
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| Summary: | Nonlinear effects in screening a high-Z grain immersed in a plasma background
were investigated by means of microscopic Monte-Carlo simulations
and within the Poisson-Boltzmann theory. A distinct difference from
the linear Debye-Hückel approximation was detected in the case of a strong
plasma-grain coupling. It effected in the accumulation of the induced plasma
charge on the grain surface, accompanied by a sharp enhancement
of screening. The critical value of the parameter associated with the beginning
of that plasma ’condensation’ was determined. |
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