Shock waves in a dusty plasma having q-nonextensive electron velocity distribution

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• 作者：Kaushik Roy (1)
  Prasanta Chatterjee (1)
  S. S. Kausik (2) (3)
  C. S. Wong (2)
  
• 关键词：Dusty plasma ; Reductive perturbation method ; Shock waves ; q ; distribution
• 刊名：Astrophysics and Space Science
• 出版年：2014
• 出版时间：April 2014
• 年：2014
• 卷：350
• 期：2
• 页码：599-605
• 全文大小：435 KB
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• 作者单位：Kaushik Roy (1)
  Prasanta Chatterjee (1)
  S. S. Kausik (2) (3)
  C. S. Wong (2)
  
  1. Department of Mathematics, Siksha Bhavana, Visva Bharati University, Santiniketan, 731 235, West Bengal, India
  2. Plasma Technology Research Center, Department of Physics, University of Malaya, 50603, Kuala Lumpur, Malaysia
  3. Centre of Plasma Physics, Institute for Plasma Research, Sonapur, 782 402, India
  
• ISSN：1572-946X

文摘

The dust-acoustic shock waves have been theoretically investigated using reductive perturbation technique. An unmagnetized four-component dusty plasma system consisting of nonextensive q-distributed electrons, Boltzmann distributed ions, and negatively as well as positively charged dust particles has been considered. The solution of Burgers equation in planar geometry is numerically analyzed. It has been observed that the nonextensive q-distribution of electrons has a significant role in the formation of shock waves. The relevance of our results to astrophysics as well as laboratory plasmas are briefly discussed.