Issue |
Europhys. Lett.
Volume 57, Number 3, February 2002
|
|
---|---|---|
Page(s) | 362 - 367 | |
Section | Physics of gases, plasmas and electric discharges | |
DOI | https://doi.org/10.1209/epl/i2002-00468-4 | |
Published online | 01 September 2002 |
Thomas-Fermi model for a dust particle in a plasma
1
GoLP/Centro de Física de Plasmas, Instituto Superior Técnico 1049-001
Lisboa, Portugal
2
Institute of Physics - Tbilisi 380077, Georgia
Received:
18
July
2001
Accepted:
7
November
2001
The nonlinear Debye screening associated with the trapped ion population around a negatively charged dust particle immersed in a plasma is considered here. The analogy between the dressed dust particle in a plasma and an atomic system is explored. It is shown that, in certain limits, the system is described by a Thomas-Fermi–type of wave equation.
PACS: 52.27.Lw – Dusty or complex plasmas; plasma crystals / 31.15.Bs – Statistical model calculations (including Thomas-Fermi and Thomas-Fermi-Dirac models)
© EDP Sciences, 2002
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