Two-soliton and three-soliton interactions of electron acoustic waves in quantum plasma

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• 作者：KAUSHIK ROY ; SWAPAN KUMAR GHOSH ; PRASANTA CHATTERJEE
• 关键词：Electron acoustic wave ; quantum plasma ; two ; soliton ; three ; soliton ; overtaking collision ; phase shift ; Hirota bilinear method.
• 刊名：Pramana
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：86
• 期：4
• 页码：873-883
• 全文大小：1,978 KB
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• 作者单位：KAUSHIK ROY (1)
  SWAPAN KUMAR GHOSH (2)
  PRASANTA CHATTERJEE (3)
  
  1. Beluti M.K.M. High School, P.O. Beluti, Dist., Birbhum, 731 301, India
  2. Department of Physics, Darjeeling Government College, Darjeeling, 734 104, India
  3. Department of Mathematics, Siksha Bhavana, Visva Bharati University, Santiniketan, 731 235, India
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Physics
  Astronomy
  Astrophysics
  
• 出版者：Springer India
• ISSN：0973-7111

文摘

The overtaking collision between electron acoustic multisolitons in an unmagnetized quantum plasma consisting of ions, and both hot and cold electrons has been investigated. The Hirota bilinear method is employed to study phase shifts and trajectories during the overtaking collision of multisolitons. It is observed that phase shifts are significantly affected by the quantum parameter H. The phase shifts are proportional to B 1/3 (dispersion coefficient) and are functions of their respective amplitudes. It is also seen that the soliton structure occurs only if H < 2.