Volume 32 Issue 2
Mar.  2012
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REN Liwen, WANG Chi. Dust Acoustic Wave in Dusty Plasmas With Streaming Ions Under Ultraviolet Irradiation[J]. Chinese Journal of Space Science, 2012, 32(2): 191-196. doi: 10.11728/cjss2012.02.191
Citation: REN Liwen, WANG Chi. Dust Acoustic Wave in Dusty Plasmas With Streaming Ions Under Ultraviolet Irradiation[J]. Chinese Journal of Space Science, 2012, 32(2): 191-196. doi: 10.11728/cjss2012.02.191

Dust Acoustic Wave in Dusty Plasmas With Streaming Ions Under Ultraviolet Irradiation

doi: 10.11728/cjss2012.02.191
  • Received Date: 2011-01-10
  • Rev Recd Date: 2011-11-24
  • Publish Date: 2012-03-15
  • The reductive perturbation method is applied to investigate the dust acoustic soliton in dusty plasmas with streaming ions under ultraviolet irradiation theoretically and numerically. The self-consistent dust charge variation is taken into account. It is shown that the ultraviolet irradiation can significantly lower the magnitude of the dust negative charge, and ion streaming velocity firstly raise the magnitude of the dust negative charge and then lower it. With the growth of (Ultraviolet) UV photo flux or ion streaming velocity, the phase velocity and width of the solitary waves decrease, whereas its amplitude increases.

     

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