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Influence of Kohn singularity on the occurrence scattering time in degenerate quantum collisional plasmas

Title
Influence of Kohn singularity on the occurrence scattering time in degenerate quantum collisional plasmas
Author
정영대
Keywords
POTENTIALS
Issue Date
2017-10
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 24, no. 10, Article no. 104504
Abstract
The influence of Kohn singularity on the occurrence scattering time for the electron-ion interaction is investigated in degenerate quantum collisional plasmas. The first-order eikonal analysis is used to obtain the scattering amplitude and the occurrence scattering time. The result shows that the Friedel oscillation due to the Kohn singularity suppresses the advance phenomena of occurrence scattering time in both forward and backward scattering domains. It is shown that the increase of plasmon energy would reduce the time advance for both forward and backward scattering domains. However, the increase of Fermi energy would enhance the phenomena of time advance. It is also found that the time advance with high collision frequency is larger than that with low collision frequency for the forward scattering domain and vice versa for the backward scattering domain. We have shown that the time advance is stronger in general for the forward scattering domain than that for the backward scattering domain. Published by AIP Publishing.
URI
https://aip.scitation.org/doi/10.1063/1.4997419http://repository.hanyang.ac.kr/handle/20.500.11754/115822
ISSN
1070-664X; 1089-7674
DOI
10.1063/1.4997419
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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