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Characteristics of the dynamic shielding on the Wannier-ridge electron escapes by electron impact in weakly coupled plasmas

Title
Characteristics of the dynamic shielding on the Wannier-ridge electron escapes by electron impact in weakly coupled plasmas
Author
정영대
Keywords
HYDROGENIC IONS; NONIDEAL PLASMAS; DENSE-PLASMAS; IONIZATION; EXCITATION
Issue Date
2013-03
Publisher
AMER INST PHYSICS, CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA
Citation
PHYSICS OF PLASMAS, 권: 20 호: 3, 논문 번호: 033302
Abstract
The influence of the dynamic shielding on the Wannier ridge electron escapes into the continuum states by the electron-impact is investigated in weakly coupled plasmas. The dynamically shielded renormalized electron charge and screened Wannier exponent are obtained by considering the equation of motion in the Wannier configuration mode with the effective interaction potential as functions of the charge of the residual ion, Debye length, projectile energy, and thermal energy. The result shows that the dynamic renormalized effective electron charge decreases with an increase of the thermal energy, especially for large distances. It is found that the dynamic shielding effect enhances the Wannier exponent for the double-electron escape. The variation of the dynamic shielding effect on the screened Wannier exponent is also discussed. (C) 2013 American Institute of Physics.
URI
http://aip.scitation.org/doi/10.1063/1.4794347
ISSN
1070-664X
DOI
10.1063/1.4794347
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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