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Nonthermal effects on the electron-atom bremsstrahlung process in generalized Lorentzian plasmas

Authors
Jung, Young-DaeHong, Woo-Pyo
Issue Date
Jan-2012
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v.19, no.1, pp.1 - 6
Indexed
SCIE
SCOPUS
Journal Title
PHYSICS OF PLASMAS
Volume
19
Number
1
Start Page
1
End Page
6
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/33917
DOI
10.1063/1.3674997
ISSN
1070-664X
Abstract
The nonthermal effects on the electron-atom bremsstrahlung process are investigated in generalized Lorentzian plasmas. The screened atomic wave function and energy for the hydrogen atom in Lorentzian plasmas are obtained by the Ritz variational method. The electron-atom bremsstrahlung radiation cross section in Lorentzian plasmas is also obtained as a function of the spectral index and plasma parameters. It is shown that the nonthermal character of the Lorentzian plasma strongly suppresses the electron-atom bremsstrahlung cross section. In addition, it is shown that the nonthermal effect on the bremsstrahlung process decreases with increasing radiation photon energy. It is also shown that the nonthermal effect on the bremsstrahlung cross section is more significant in plasmas with higher densities. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3674997]
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