Journal
PRAMANA-JOURNAL OF PHYSICS
Volume 86, Issue 4, Pages 885-892Publisher
INDIAN ACAD SCIENCES
DOI: 10.1007/s12043-015-1101-x
Keywords
Dusty plasmas; dust charging; Maxwellian distribution; two-temperature electron
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Funding
- National Natural Science Foundation of China [11178002]
- International S&T Cooperation Program of China [S2014ZR0016]
- Natural Science Foundation of Jiangxi [20151BAB212010]
- Science Foundation for Youths of Jiangxi Education Committee [GJJ14224]
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Dust charging in an unmagnetized collisionless dusty plasma with two-temperature electrons was investigated based on the orbital motion limited theory, where the two-temperature electrons and ions are modelled by the Maxwellian distributions. Then by taking into account the effects of two-temperature electron and the associated charging fluctuations, the dispersion peculiarities of dust-acoustic waves are studied based on dust fluid dynamics. The present results show that the effect will introduce a dissipation on the mode, and the dispersion and the dissipation depend on the temperature ratio and number density ratio of hot and cold electrons.
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