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Temperature effects on the propagation and Landau damping of the dust surface waves

Title
Temperature effects on the propagation and Landau damping of the dust surface waves
Author
정영대
Keywords
ACOUSTIC-WAVES
Issue Date
2019-03
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 26, Issue 3, NO.032103
Abstract
The integral of the kinetic electrostatic surface wave dispersion relation is evaluated to determine the wave frequency and the corresponding Landau damping rate for the surface mode of dust ion-acoustic waves including the effect of ion temperature by using the general perturbation and the transverse truncation methods. It is demonstrated that the increase in ion temperature enhances the wave frequency. The effect of ion temperature is more prominent in the range of large wave numbers, and the wave frequency increases in proportion to a quarter power of the ion temperature in the realm of large wave number. The Landau damping of the dust ion-acoustic surface wave is found to be suppressed as the ion temperature increases. However, the effect of ion temperature becomes negligible as the wave number increases. The effects of dust charge and electron density on the Landau damping rate are also presented in this work.
URI
https://aip.scitation.org/doi/10.1063/1.5087293http://repository.hanyang.ac.kr/handle/20.500.11754/107213
ISSN
1070-664X; 1089-7674
DOI
10.1063/1.5087293
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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