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Jeans instability with exchange effects in quantum dusty magnetoplasmas

Title
Jeans instability with exchange effects in quantum dusty magnetoplasmas
Author
정영대
Keywords
PLASMA; CLOUDS
Issue Date
2015-08
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 22, NO 8, Page. 821131-821137
Abstract
Jeans instability is examined in magnetized quantum dusty plasmas using the quantum hydrodynamic model. The quantum effects are considered via exchange-correlation potential, recoil effect, and Fermi degenerate pressure, in addition to thermal effects of plasma species. It is found that the electron exchange and correlation potential have significant effects over the threshold value of wave vector and Jeans instability. The presence of electron exchange and correlation effect shortens the time of dust sound that comparatively stabilizes the self gravitational collapse. The results at quantum scale are helpful in understanding the collapse of the self-gravitating dusty plasma systems. (C) 2015 AIP Publishing LLC.
URI
http://aip.scitation.org/doi/abs/10.1063/1.4928437http://hdl.handle.net/20.500.11754/26919
ISSN
1070-664X; 1089-7674
DOI
10.1063/1.4928437
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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