The dust-acoustic mode in two-temperature electron plasmas with charging effects
Zhong Xijuan Chen Hui Liu Nianhua Liu Sanqiu
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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.
Zhong Xijuan1 Chen Hui1 Liu Nianhua1 Liu Sanqiu1
Volume 97, 2023
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