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

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 se...

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Bibliographic Details
Published in:Contributions to plasma physics (1988) 2021-01, Vol.61 (1), p.n/a
Main Author: Akou, H.
Format: Article
Language:English
Subjects:
Electromagnetic radiation
electromagnetic wave
Electromagnetic waves
Electrostatic properties
Electrostatic waves
Excitation
extraordinary wave
Fluid dynamics
Magnetic fields
magnetized plasma
Magnetohydrodynamics
Oscillations
Phase velocity
Physical properties
Plasma
Plasma oscillations
Ponderomotive forces
wake field generation
Wave propagation
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Summary: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 3λp/π and the X‐wave frequency is greater than ωp, which means that the phase velocity is less than the speed of light in vacuum (vp 
ISSN:0863-1042
1521-3986
DOI:10.1002/ctpp.202000149