Dust-acoustic waves in a self-gravitating complex plasma with trapped electrons and nonisothermal ions |
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Authors: | A P Misra A R Chowdhury |
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Institution: | (1) Department of Mathematics, Siksha Bhavana, Visva-Bharati, Santiniketan, 731 235, India;(2) High Energy Physics Division, Department of Physics, Jadavpur University, Kolkata, 700 032, India |
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Abstract: | It is shown that the nonlinear equations governing the dynamics of the large amplitude waves in a self-gravitating unmagnetized
collisionless dust-electron-ion plasma admit stationary dust-acoustic shock solutions.
Owing to the adiabaticity of dust-charge variation, inclusion of self-gravitation, and to the departure from the so-called
Botzmannian electrons and ions to the trapped electrons and nonthermal ions, the dynamics of the nonlinear wave is found to
be governed by a new energy-like integral equation. |
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Keywords: | |
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