نتایج جستجو برای: magnetoplasma

تعداد نتایج: 167  

Journal: :Galaxies 2021

A theoretical investigation is carried out to study the propagation properties of ion acoustic shocks in a plasma comprising positive inertial ions, weakly relativistic beam and trapped electrons presence quantizing magnetic field. By using reductive perturbation technique, Korteweg–de Vries-Burgers (KdVB) equation oscillatory solution are derived. The characteristics such kinds shock waves exa...

2008
Stephen Vincena Walter Gekelman M. A. Van Zeeland James Maggs Andrew Collette

Measurements are presented of radiated wave electric fields which result from the creation of a dense, laser-produced plasma within a large, uniform background magnetoplasma. The radiated field patterns are consistent for waves propagating along the quasielectrostatic branch of the whistler wave dispersion curve calculated from the background plasma parameters. The energy source of these waves ...

2007
D. Shaikh

Three-dimensional time dependent numerical simulations of compressible magnetohydrodynamic fluids describing super-Alfvénic, supersonic and strongly magnetized space and laboratory plasmas show a nonlinear relaxation towards a state of near incompressibility. The latter is characterized essentially by a subsonic turbulent Mach number. This transition is mediated dynamically by disparate spectra...

1996
S. Kumar S. K. Dixit A. K. Gwal

The electron cyclotron waves that originate at low altitudes ( 0.5 R E ) and observed by ground facilities have been studied in the presence of a weak parallel electric field in auroral magnetoplasma consisting of trapped energetic auroral electrons and cold background electrons of ionospheric origin. The model distribution for auroral trapped electrons is taken as Maxwellian ring distribution....

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