Shukla-Spatschek diffusion effects on surface plasma waves in astrophysical turbulent plasmas
- Title
- Shukla-Spatschek diffusion effects on surface plasma waves in astrophysical turbulent plasmas
- Author
- 정영대
- Keywords
- diffusion; plasmas; turbulence; waves
- Issue Date
- 2017-02
- Publisher
- OXFORD UNIV PRESS
- Citation
- PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, v. 69, no. 1
- Abstract
- The effects of Shukla-Spatschek turbulent diffusion on a temporal mode of surface waves propagating at the interface of an astrophysical turbulent plasma are investigated. The damping rates for high and low modes of surface wave are kinetically derived by employing the Vlasov-Poisson equation and the specular reflection boundary condition. We found that the diffusion caused by the fluctuating electric fields leads to damping for both high and low modes of surface waves. The high-mode damping is enhanced with an increase of the wavenumber and the diffusion coefficient, but suppressed by an increase of electron thermal energy. By contrast, the low-mode damping is suppressed as the wavenumber and the thermal energy increase although it is enhanced as the diffusion increases. The variation of the damping rate due to the Shukla-Spatschek turbulent diffusion is also discussed.
- URI
- https://academic.oup.com/pasj/article/69/1/13/2953033https://repository.hanyang.ac.kr/handle/20.500.11754/112871
- ISSN
- 0004-6264; 2053-051X
- DOI
- 10.1093/pasj/psw117
- Appears in Collections:
- GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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