摘要
有 verysmall 的灰尘声学的 solitons 上的热电子的排放的效果但是在灰尘电子血浆的有限振幅用减少的 perturbationtechnique 被学习。灰尘充电的前後一致的变化被考虑。thethermionic 排放能显著地增加灰尘正电荷，这被显示出。灰尘温度和灰尘材料的灰尘 workfunction 上的如此的 solitons 的 thephase 速度，振幅，和宽度的依赖被阴谋并且讨论。
The effects of thermionic emission on dust-acoustic solitons with a very small but finite amplitude in a dustelectron plasma are studied using the reductive perturbation technique. The self-consistent variation of dust charge is taken into account. It is shown that the thermionic emission could significantly increase the dust positive charge. The dependences of the phase velocity, amplitude, and width of such solitons on the dust temperature and the dust work function of dust material are plotted and discussed.
基金
Supported by the National Natural Science Foundation China under Grant Nos 40390150, 10175013, 10010760807, 10160420799, 40390155, 40228006 and 10575018.
关键词
热电子反射
孤立子
电子学
等离子体
SOLITARY WAVES
COMPLEX PLASMAS
SMALL AMPLITUDE
RADIATION
