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Influence of electron-electron collisions on the propagation of ion-acoustic space-charge waves in a warm plasma waveguide

Title
Influence of electron-electron collisions on the propagation of ion-acoustic space-charge waves in a warm plasma waveguide
Author
정영대
Keywords
collisional damping; space-charge wave; warm plasma; electron-electron collision; cylindrical waveguide
Issue Date
2017-04
Publisher
IOP PUBLISHING LTD
Citation
PLASMA PHYSICS AND CONTROLLED FUSION, v. 59, no. 4, Article no. 045004
Abstract
The influence of electron-electron collisions on the propagation of the ion-acoustic space-charge wave is investigated in a cylindrical waveguide filled with warm collisional plasma by employing the normal mode analysis and the method of separation of variables. It is shown that the frequency of the ion-acoustic space-charge wave with higher-harmonic modes is always smaller than that with lower-harmonic modes, especially in intermediate wave number domains. It is also shown that the collisional damping rate of the ion-acoustic space-charge wave due to the electron-electron collision effect with higher-harmonic modes is smaller than that with lower-harmonic modes. In addition, it is found that the maximum position of the collisional damping rate shifts to large wave numbers with an increase of the harmonic mode. The variation of the wave frequency and the collisional damping rate of the ion-acoustic space-charge wave is also discussed.
URI
https://iopscience.iop.org/article/10.1088/1361-6587/aa56e4http://repository.hanyang.ac.kr/handle/20.500.11754/113788
ISSN
0741-3335; 1361-6587
DOI
10.1088/1361-6587/aa56e4
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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