Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma

doi:10.1088/1009-1963/12/5/314

中国物理B ›› 2003, Vol. 12 ›› Issue (5): 538-541.doi: 10.1088/1009-1963/12/5/314

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

Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma

薛具奎, 郎和

College of Physics and Electronics Engineering, Northwest Normal University, Lanzhou 730070, China

收稿日期:2002-08-26 修回日期:2002-11-26 出版日期:2005-03-16 发布日期:2005-03-16
基金资助:
Project supported by the Foundation of Northwest Normal University, China (Grant No KJCXGC-215).

Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma

Xue Ju-Kui (薛具奎), Lang He (郎和)

College of Physics and Electronics Engineering, Northwest Normal University, Lanzhou 730070, China

Received:2002-08-26 Revised:2002-11-26 Online:2005-03-16 Published:2005-03-16
Supported by:
Project supported by the Foundation of Northwest Normal University, China (Grant No KJCXGC-215).

摘要/Abstract

摘要： The effect of dust charge variation on the dust-acoustic solitary structures is investigated in a warm magnetized two-ion-temperature dusty plasma consisting of a negatively and variably charged extremely massive dust fluid and ions of two different temperatures. It is shown that the dust charge variation as well as the presence of a second component of ions would modify the properties of the dust-acoustic solitary structures and may excite both dust-acoustic solitary holes (soliton waves with a density dip) and positive solitons (soliton waves with a density hump).

Abstract: The effect of dust charge variation on the dust-acoustic solitary structures is investigated in a warm magnetized two-ion-temperature dusty plasma consisting of a negatively and variably charged extremely massive dust fluid and ions of two different temperatures. It is shown that the dust charge variation as well as the presence of a second component of ions would modify the properties of the dust-acoustic solitary structures and may excite both dust-acoustic solitary holes (soliton waves with a density dip) and positive solitons (soliton waves with a density hump).

Key words: dust charge variation, dust-acoustic solitary waves, magnetized two-ion-temperature dusty plasma

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

52.27.Lw

52.35.Sb (Solitons; BGK modes) 52.25.Xz (Magnetized plasmas)

薛具奎, 郎和. Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma[J]. 中国物理B, 2003, 12(5): 538-541.

Xue Ju-Kui (薛具奎), Lang He (郎和). Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma[J]. Chinese Physics, 2003, 12(5): 538-541.

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Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma

Effect of dust charge variation on dust-acoustic solitary waves in a magnetized two-ion-temperature dusty plasma

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