Raman three-wave interaction in partially spin polarized plasma

被引：25
作者：
Shahid, M. [1 ]
Iqbal, Z. [2 ]
Jamil, M. [3 ]
Murtaza, G. [2 ]
机构：
[1] Women Univ Azad Jammu & Kashmir, Dept Phys, Bagh 12500, Azad Kashmir, Pakistan
[2] Govt Coll Univ, Dept Phys, Phys, Lahore 54000, Pakistan
[3] COMSATS Inst Informat Technol, Dept Phys, Lahore 54000, Pakistan
来源：
PHYSICS OF PLASMAS | 2017年 / 24卷 / 10期
关键词：
MICROSCOPIC QUANTUM HYDRODYNAMICS; ELECTROMAGNETIC-WAVES; PARAMETRIC-EXCITATION; INSTABILITIES; GENERATION; SCATTERING; FERMIONS; SYSTEMS; MODES;
D O I：
10.1063/1.4986010
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
By employing the separate spin evolution-quantum hydrodynamic model (SSE-QHD), the nonlinear growth rate of the parametric decay instability is studied via the Raman scattering process of three-wave coupling. SSE-QHD equations are solved for the pump wave (O-mode), sideband Shear Alfven wave, and the electron plasma perturbations. It is observed that the spectrum of the electron plasma waves is modified due to newly generated spin dependent waves which contribute in the coupling process. The nonlinear growth rate as a result of three wave coupling is plotted for different sets of parameters and conditions. It is also observed that the growth rate is suppressed due to the spin effects. Shifting of diamagnetic behavior of plasma to paramagnetic behavior is noticed. Published by AIP Publishing.
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页数：10
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