| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Nonlinear acoustic waves in a collisional self-gravitating dusty plasma |
| Guo Zhi-Rong(郭志荣)†ger, Yang Zeng-Qiang(杨增强), Yin Bao-Xiang(殷保祥), and Sun Mao-Zhu(孙茂珠) |
| Key Laboratory of Ecophysics and Department of Physics, Teachers College, Shihezi University, Shihezi 832003, China |
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Abstract Using the reductive perturbation method, we investigate the small amplitude nonlinear acoustic wave in a collisional self-gravitating dusty plasma. The result shows that the small amplitude dust acoustic wave can be expressed by a modified Korteweg-de Vries equation, and the nonlinear wave is instable because of the collisions between the neutral gas molecules and the charged particles.
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Received: 01 April 2009
Revised: 19 July 2010
Accepted manuscript online:
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PACS:
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52.27.Lw
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(Dusty or complex plasmas; plasma crystals)
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52.35.Fp
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(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
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| Fund: Project supported by the Initial Research Fund of Shihezi University, China (Grant Nos. RCZX200742 and RCZX200743). |
Cite this article:
Guo Zhi-Rong(郭志荣), Yang Zeng-Qiang(杨增强), Yin Bao-Xiang(殷保祥), and Sun Mao-Zhu(孙茂珠) Nonlinear acoustic waves in a collisional self-gravitating dusty plasma 2010 Chin. Phys. B 19 115203
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