Abstract.
In this paper, the electromagnetic-electrostatic coupling instability excited in the two-dimensional planar-layered plasma medium with median temperature (warm motional plasma beam) is investigated by applying the initial fluctuation propagating along the planar surfaces. The dielectric tensor, obtained by the Maxwell-fluid model, is used to find the dispersion relation (DR) and different excited modes in the system. Interacting modes are investigated, in detail, by focusing on the effect of temperature on the plasma beam instability aroused by coupling the thermal excited modes (thermal-extraordinary and electron plasma modes) in the systems with various amounts of beam density. The numerical analysis of the obtained DR shows that even though the temperature effect of the plasma beam has an important role on the suppression of streaming instabilities, it does not have a considerable effect on the behavior of the coupling instability in the fluid limitation.
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Rashed-Mohassel, P., Hasanbeigi, A. & Hajisharifi, K. Interaction of electromagnetic and plasma waves in warm motional plasma: Density and thermal effects. Eur. Phys. J. Plus 132, 360 (2017). https://doi.org/10.1140/epjp/i2017-11624-4
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DOI: https://doi.org/10.1140/epjp/i2017-11624-4