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Characteristics of Polarisation in the Ramsauer-Townsend Minima in Strongly Coupled Semiclassic Plasmas

Title
Characteristics of Polarisation in the Ramsauer-Townsend Minima in Strongly Coupled Semiclassic Plasmas
Author
정영대
Keywords
Quantum Shielding; Ramsauer-Townsend Minima; Strongly Coupled Semiclassic Plasmas
Issue Date
2017-11
Publisher
WALTER DE GRUYTER GMBH
Citation
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, v. 72, no. 11, page. 995-1001
Abstract
The influence of quantum shielding on the Ramsauer- Townsend phenomena for the total electron-atom polarisation collision cross-section is investigated in partially ionised strongly coupled semiclassic plasmas. The result shows that the quantum shielding effect changes the position of the Ramsauer energy in partially ionised strongly coupled plasmas. It is also found that the quantum shielding effect enhances the total electron-atom collision cross-section when the collision energy is greater than the Ramsauer energy; however, it suppresses the collision cross-section when the collision energy is smaller than the Ramsauer energy. In addition, it is shown that the plasma screening effect significantly changes the position of the Ramsauer energy and the influence of plasma screening on the magnitude of the collision cross-section is more significant near the Ramsauer energy domain. The variations of the Ramsauer energy and the collision cross-section due to the quantum shielding effect are also discussed.
URI
https://www.degruyter.com/view/j/zna.2017.72.issue-11/zna-2017-0254/zna-2017-0254.xmlhttp://repository.hanyang.ac.kr/handle/20.500.11754/116289
ISSN
0932-0784; 1865-7109
DOI
10.1515/zna-2017-0254
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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