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Influence of the nonthermal plasma shielding on the ion collisions in Lorentzian semiclassical plasmas

Title
Influence of the nonthermal plasma shielding on the ion collisions in Lorentzian semiclassical plasmas
Author
정영대
Issue Date
2012-06
Publisher
American Institute of Physics
Citation
Physics of Plasma, 2012, 19(6), 064501
Abstract
The influence of the nonthermal plasma shielding on the elastic ion-ion collision is investigated in dense Lorentzian semiclassical plasmas. The effective interaction potential and phase theory are applied to obtain the scattering phase shift and collision cross section as functions of the spectral index of the Lorentzian plasma, impact parameter, collision energy, and plasma parameters. The result shows that the nonthermal plasma shielding effect reduces the magnitude of the scattering phase shift. It is also found that the nonthermal plasma shielding effect suppresses the ion-ion collision cross section. Hence, we have found that the ion-ion collision cross sections in thermal plasmas are always greater than those in nonthermal plasmas. In addition, it is found that the nonthermal shielding effect on the collision cross section increases with an increase of the Debye length in Lorentzian semiclassical plasmas.
URI
https://aip.scitation.org/doi/10.1063/1.4728066http://repository.hanyang.ac.kr/handle/20.500.11754/73017
ISSN
1070-664X
DOI
10.1063/1.4728066
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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