Nonlinear acoustic waves in a collisional self-gravitating dusty plasma

doi:10.1088/1674-1056/19/11/115203

中国物理B ›› 2010, Vol. 19 ›› Issue (11): 115203-116201.doi: 10.1088/1674-1056/19/11/115203

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Nonlinear acoustic waves in a collisional self-gravitating dusty plasma

郭志荣, 杨增强, 殷保祥, 孙茂珠

Key Laboratory of Ecophysics and Department of Physics, Teachers College, Shihezi University, Shihezi 832003, China

收稿日期:2009-04-01 修回日期:2010-07-19 出版日期:2010-11-15 发布日期:2010-11-15
基金资助:
Project supported by the Initial Research Fund of Shihezi University, China (Grant Nos. RCZX200742 and RCZX200743).

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

Received:2009-04-01 Revised:2010-07-19 Online:2010-11-15 Published:2010-11-15
Supported by:
Project supported by the Initial Research Fund of Shihezi University, China (Grant Nos. RCZX200742 and RCZX200743).

摘要/Abstract

摘要： 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.

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.

Key words: nonlinear acoustic waves, collisional self-gravitating dusty plasma, modified Korteweg-de Vries equation, instability

中图分类号: (Dusty or complex plasmas; plasma crystals)

52.27.Lw

52.35.Fp (Electrostatic waves and oscillations (e.g., ion-acoustic waves))

郭志荣, 杨增强, 殷保祥, 孙茂珠. Nonlinear acoustic waves in a collisional self-gravitating dusty plasma[J]. 中国物理B, 2010, 19(11): 115203-116201.

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[J]. Chin. Phys. B, 2010, 19(11): 115203-116201.

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Nonlinear acoustic waves in a collisional self-gravitating dusty plasma

Nonlinear acoustic waves in a collisional self-gravitating dusty plasma

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