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6 papers · 1 filter
Electromagnetic instabilities of low-beta alpha/proton beams in space plasmas
M. A. Rehman, S. M. Shaaban, P. H. Yoon +2
Relative drifts between different species or particle populations are characteristic to solar plasma outflows, e.g., in the fast streams of the solar winds, coronal mass ejections…
Alternative high plasma beta regimes of electron heat-flux instabilities in the solar wind
R. A. López, M. Lazar, S. M. Shaaban +2
The heat transport in the solar wind is dominated by the suprathermal electron populations, i.e., a tenuous halo and a field-aligned beam/strahl, with high energies and antisunward…
Whistler instabilities from the interplay of electron anisotropies in space plasmas: A quasilinear approach
S. M. Shaaban, M. Lazar
Recent statistical studies of observational data unveil relevant correlations between whistler fluctuations and the anisotropic electron populations present in space plasmas, e.g.,…
Whistler instability stimulated by the suprathermal electrons present in space plasmas
M. Lazar, R. A. Lopez, S. M. Shaaban +2
In the absence of efficient collisions, deviations from thermal equilibrium of plasma particle distributions are controlled by the self-generated instabilities. The whistler instab…
Quasilinear approach of the cumulative whistler instability in fast solar winds: Constraints of electron temperature anisotropy
S. M. Shaaban, M. Lazar, P. H. Yoon +1
Context. Solar outflows are a considerable source of free energy which accumulates in multiple forms like beaming (or drifting) components and/or temperature anisotropies. However,…
The Interplay of the Solar Wind Core and Suprathermal Electrons: A Quasilinear Approach for Firehose Instability
S. M. Shaaban, M. Lazar, P. H. Yoon +1
In the solar wind an equipartition of kinetic energy densities can be easily established between thermal and suprathermal electrons and the instability conditions are markedly alte…