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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.