Influence of renormalization shielding on the electron-impact ionization process in dense partially ionized plasmas

Title
Influence of renormalization shielding on the electron-impact ionization process in dense partially ionized plasmas
Authors
정영대
Keywords
NONIDEAL PLASMA
Issue Date
2015-04
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 22, Page. 427091-427097
Abstract
The renormalization shielding effects on the electron-impact ionization of hydrogen atom are investigated in dense partially ionized plasmas. The effective projectile-target interaction Hamiltonian and the semiclassical trajectory method are employed to obtain the transition amplitude as well as the ionization probability as functions of the impact parameter, the collision energy, and the renormalization parameter. It is found that the renormalization shielding effect suppresses the transition amplitude for the electron-impact ionization process in dense partially ionized plasmas. It is also found that the renormalization effect suppresses the differential ionization cross section in the peak impact parameter region. In addition, it is found that the influence of renormalization shielding on the ionization cross section decreases with an increase of the relative collision energy. The variations of the renormalization shielding effects on the electron-impact ionization cross section are also discussed. (C) 2015 AIP Publishing LLC.
URI
http://scitation.aip.org/content/aip/journal/pop/22/4/10.1063/1.4919026http://hdl.handle.net/20.500.11754/23723
ISSN
1070-664X; 1089-7674
DOI
http://dx.doi.org/10.1063/1.4919026
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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