Ion acoustic shock waves in weakly relativistic multicomponent quantum plasma

被引：16
|
作者：
Gill, T. S. [1 ]
Bains, A. S. [1 ]
Bedi, C. [1 ]
机构：
[1] Guru Nanak Dev Univ, Dept Phys, Amritsar 143005, Punjab, India
来源：
23RD NATIONAL SYMPOSIUM ON PLASMA SCIENCE AND TECHNOLOGY (PLASMA-2008) | 2010年 / 208卷
关键词：
INSTABILITIES; MODEL;
D O I：
10.1088/1742-6596/208/1/012040
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ion acoustic Shock waves (IASWs) are studied in an collisionless unmagnetized relativistic quantum electron-positron-ion(e-p-i) plasma employing the quantum hydrodynamic(QHD) model. Korteweg-deVries-Burger equation(KdVB) is derived using small amplitude perturbation expansion method to study the nonlinear propagation of the quantum IASWs. It is found that the coefficients of the KdVB equation are significantely modified by the positron density p, relativistic factor(U-r), temperatures sigma, kinematic viscosity eta and quantum factor(H).
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页数：9
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