Cross-Field Plasma Acceleration and Potential Formation Induced by Electromagnetic Waves in a Relativistic Magnetized Plasma

A single-particle theory is developed to investigate particle acceleration along and across a magnetic field and the generation of an electric field transverse to the magnetic field induced by electromagnetic waves in a magnetized plasma. The almost perpendicularly propagating waves accelerate particles via their Landau and cyclotron damping, and the ratio of parallel and perpendicular drift velocities vs∥/vd can be proved to be proportional to k∥/k⊥. Simultaneously, an intense cross-field electric field E0 = B0×vd/c is generated via the dynamo effect owing to perpendicular particle acceleration to satisfy the generalized Ohm’s law. This means that this cross-field particle drift in a collisionless plasma is identical to E×B drift. It is verified that the transport equations obtained are exactly equivalent to those derived from the θ-dependent quasilinear velocity-space diffusion equation obtained from the Vlasov–Maxwell equations.

Download Full-text

Filamentation instability of electromagnetic waves in a magnetized plasma

Physica Scripta ◽

10.1088/0031-8949/43/1/012 ◽

1991 ◽

Vol 43 (1) ◽

pp. 74-77

Author(s):

R Bharuthram ◽

P Singh

Keyword(s):

Electromagnetic Waves ◽

Magnetized Plasma ◽

Filamentation Instability

Download Full-text

Propagation of Electromagnetic Waves in Graphene-Wrapped Cylindrical Waveguides Filled With Magnetized Plasma

Optik ◽

10.1016/j.ijleo.2021.167566 ◽

2021 ◽

pp. 167566

Author(s):

Muhammad Usman Shahid ◽

Abdul Ghaffar ◽

Majeed A.S. Alkanhal ◽

Yasin Khan

Keyword(s):

Electromagnetic Waves ◽

Magnetized Plasma ◽

Cylindrical Waveguides

Download Full-text

Propagation of terahertz electromagnetic waves in a magnetized plasma with inhomogeneous electron density and collision frequency

Physics of Plasmas ◽

10.1063/1.4973654 ◽

2017 ◽

Vol 24 (2) ◽

pp. 022108 ◽

Cited By ~ 27

Author(s):

LinJing Guo ◽

LiXin Guo ◽

JiangTing Li

Keyword(s):

Electron Density ◽

Electromagnetic Waves ◽

Collision Frequency ◽

Magnetized Plasma

Download Full-text

Scattering of electromagnetic waves by anomalous fluctuations of a magnetized plasma

Journal of Plasma Physics ◽

10.1017/s0022377800014719 ◽

1990 ◽

Vol 43 (2) ◽

pp. 165-172 ◽

Cited By ~ 6

Author(s):

V. N. Pavlenko ◽

V. G. Panchenko

Keyword(s):

Cross Section ◽

Electromagnetic Waves ◽

Pump Wave ◽

Density Fluctuations ◽

Scattering Cross Section ◽

Magnetized Plasma ◽

Lower Hybrid ◽

Scattering Cross ◽

Parametric Decay ◽

Ion Acoustic

Fluctuations and scattering of transverse electromagnetic waves by density fluctuations in a magnetized plasma in the presence of parametric decay of the pump wave are investigated. The spectral density of electron-density fluctuations is calculated. It is shown that the differential scattering cross-section has sharp maxima at the ion-acoustic and lower-hybrid frequencies when parametric decay of the lower-hybrid pump wave occurs. We note that scattering at the ion-acoustic frequency is dominant. When the pump-wave amplitude tends to the threshold strength of the electric field the scattering cross-section increases anomalously, i.e. there is critical opalescence.

Download Full-text