Excitation of upper-hybrid plasma wake wave by a low-frequency extraordinary electromagnetic wave

被引：6

作者：

Akou, H. ^{[1
]}

机构：

[1] Babol Noshirvani Univ Technol, Fac Basic Sci, Dept Phys, Babol 4714871167, Iran

来源：

CONTRIBUTIONS TO PLASMA PHYSICS | 2021年 / 61卷 / 01期

关键词：

extraordinary wave; electromagnetic wave; magnetized plasma; wake field generation; POLARIZED LASER-PULSE; ELECTRON ACCELERATION; BEAM; GENERATION; FIELD; SHAPE;

D O I：

10.1002/ctpp.202000149

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：

The excitation of upper-hybrid wake electrostatic wave by interaction of an extraordinary Gaussian wave propagating perpendicular to the external magnetic field in a cold homogeneous plasma is investigated using magnetohydrodynamics theory. The plasma oscillations can be excited due to the charge separation appeared by the ponderomotive force of the electromagnetic wave whose frequency is considered in the lower pass band. By obtaining the equation governing the plasma wake, the dependency of the wake amplitude on the physical parameters is studied. It is observed that larger wake oscillation takes place when the pulse length is approximately close to 3 lambda(p)/pi and the X-wave frequency is greater than omega(p), which means that the phase velocity is less than the speed of light in vacuum (v(p) < c).

引用

页数：9

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