Influence of quantum diffraction and shielding on electron-ion collision in two-component semiclassical plasmas

Title
Influence of quantum diffraction and shielding on electron-ion collision in two-component semiclassical plasmas
Authors
정영대
Keywords
QUANTUM theory; ELECTRON impact ionization; COLLISIONS (Physics); QUANTUM plasmas; X-ray diffraction
Issue Date
2015-01
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 22, NO 1, Page. 127011-127016
Abstract
The influence of quantum diffraction and shielding on the electron-ion collision process is investigated in two-component semiclassical plasmas. The eikonal method and micropotential taking into account the quantum diffraction and shielding are used to obtain the eikonal scattering phase shift and the eikonal collision cross section as functions of the collision energy, density parameter, Debye length, electron de Broglie wavelength, and the impact parameter. The result shows that the quantum diffraction and shielding effects suppress the eikonal scattering phase shift as well as the differential eikonal collision cross section, especially, in small-impact parameter regions. It is also shown that the quantum shielding effect on the eikonal collision cross section is more important in low-collision energies. In addition, it is found that the eikonal collision cross section increases with an increase in the density parameter. The variations of the eikonal cross section due to the quantum diffraction and shielding effects are also discussed.
URI
http://hdl.handle.net/20.500.11754/21413http://aip.scitation.org/doi/10.1063/1.4905512
ISSN
1070-664X
DOI
http://dx.doi.org/10.1063/1.4905512
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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