Parallel electric field-induced instability in the magnetospheric ion-electron plasma |
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Authors: | Ahmad M M Altaf Ahmad |
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Institution: | (1) Department of Physics, Regional Engineering College, Srinagar, Kashmir, India |
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Abstract: | A complete dispersion relation for a whistler mode wave propagation in an anisotropic warm ion-electron magnetoplasma in the presence of parallel electric field using the dispersion relation for a circularly polarized wave has been derived. The dispersion relation includes the effect of anisotropy for the ion and electron velocity distribution functions. The growth rate of electron-ion cyclotron waves for different plasma parameters observed atL = 6.6R
E
has been computed and the results have been discussed in detail in the light of the observed features of VLF emissions and whistlers. The role of the combination of ion-cyclotron and whistler mode electromagnetic wave propagation along the magnetic field in an anisotropic Maxwellian weakly-ionized magnetoplasma has been studied. |
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