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

Title
Nonthermal effects on the electron-atom bremsstrahlung process in generalized Lorentzian plasmas
Author
정영대
Keywords
SCATTERING; RADIATION; DENSE
Issue Date
2012-01
Publisher
AMERICAN INSTITUTE OF PHYSICS
Citation
Physics of Plasmas, 2012, 19(1), P.013301
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.
URI
http://aip.scitation.org/doi/10.1063/1.3674997
ISSN
1070-664X
DOI
10.1063/1.3674997
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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