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Quantum diffraction and shielding effects on the low-energy electron-ion bremsstrahlung in two-component semiclassical plasmas

Title
Quantum diffraction and shielding effects on the low-energy electron-ion bremsstrahlung in two-component semiclassical plasmas
Author
정영대
Keywords
HIGH-TEMPERATURE PLASMAS; TRANSPORT-PROPERTIES
Issue Date
2015-10
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 22, NO 10, Page. 33041-33046
Abstract
The quantum diffraction and shielding effects on the low-energy bremsstrahlung process are investigated in two-component semiclassical plasmas. The impact-parameter analysis with the micropotential taking into account the quantum diffraction and shielding effects is employed to obtain the electron-ion bremsstrahlung radiation cross section as a function of the de Broglie wavelength, density parameter, impact parameter, photon energy, and projectile energy. The result shows that the influence of quantum diffraction and shielding strongly suppresses the bremsstrahlung radiation spectrum in semiclassical plasmas. It is found that the quantum diffraction and shielding effects have broaden the photon emission domain. It is also found that the photon emission domain is almost independent of the radiation photon energy. In addition, it is found that the influence of quantum diffraction and shielding on the bremsstrahlung spectrum decreases with an increase of the projectile energy. The density effect on the electron-ion bremsstrahlung cross section is also discussed. (C) 2015 AIP Publishing LLC.
URI
http://aip.scitation.org/doi/10.1063/1.4934222http://hdl.handle.net/20.500.11754/28122
ISSN
1070-664X; 1089-7674
DOI
10.1063/1.4934222
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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