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Eikonal-Glauber Thomas-Fermi model for atomic collisions with many-electron atoms for plasma applications

Title
Eikonal-Glauber Thomas-Fermi model for atomic collisions with many-electron atoms for plasma applications
Author
정영대
Keywords
fusion plasma; plasma applications
Issue Date
2018-06
Publisher
CAMBRIDGE UNIV PRESS
Citation
JOURNAL OF PLASMA PHYSICS, v. 84, no. 3, Article no. 905840313
Abstract
We have derived the universal eikonal-Glauber Thomas-Fermi model for atomic collision cross-sections with many-electron atoms, such as iron and tungsten atoms, including the influence of atomic screening in fusion devices and plasma technologies. The eikonal-Glauber method is employed to obtain the analytic expressions for the effective atomic charge, the scattering phase shift and the atomic cross-section in terms of the atomic form factor and the Mott-Massey screening parameter. The result shows that the effective atomic charge would be the same as the case of the net nuclear charge for the large momentum transfer domain and becomes zero without momentum transfer due to the influence of bound atomic electrons. It is shown that the eikonal scattering phase shift and the total eikonal-Glauber scattering cross-section increase with increasing charge number Z of the nucleus of the target atom. It is also found that the charge dependence of the total eikonal-Glauber scattering cross-section decreases with an increase of the scaled collision energy since the atomic form factor is small for large collision energies.
URI
https://www.cambridge.org/core/journals/journal-of-plasma-physics/article/eikonalglauber-thomasfermi-model-for-atomic-collisions-with-manyelectron-atoms-for-plasma-applications/8506B0C02042C6EFB23C58BBC78A771Fhttps://repository.hanyang.ac.kr/handle/20.500.11754/118982
ISSN
0022-3778; 1469-7807
DOI
10.1017/S0022377818000661
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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