Abstract
We have shown the generation/amplification of fast macro-scale plasma flows in the degenerate two-fluid astrophysical systems with initial turbulent (micro-scale) magnetic/velocity fields due to the Unified Reverse Dynamo/Dynamo mechanism. This process is simultaneous with and complementary to the micro-scale unified dynamo. It is found that the generation of macro-scale flows is an essential consequence of the magneto-fluid coupling; the generation of macro-scale fast flows and magnetic fields are simultaneous, they grow proportionately. The resulting dynamical flow acceleration is directly proportional to the initial turbulent magnetic (kinetic/magnetic) energy in degenerate e-i (degenerate e-p) astrophysical plasma; the process is very sensitive to both the degeneracy level of the system and the magneto-fluid coupling. In case of degenerate e-p plasma, for realistic physical parameters, there always exists such a real solution of dispersion relation for which the formation of strong macro-scale flow/outflow is guaranteed; the generated/accelerated locally super-Alfvénic flows are extremely fast with Alfvén Mach number \(> 10^{3}\) as observed in a variety of astrophysical outflows.
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Authors express their thanks to Dr. Alexander Barnaveli for the valuable discussions. This work was supported by Shota Rustaveli Georgian National Foundation Grant Project No. FR17-391.
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Kotorashvili, K., Revazashvili, N. & Shatashvili, N.L. Dynamical fast flow generation/acceleration in dense degenerate two-fluid plasmas of astrophysical objects. Astrophys Space Sci 365, 175 (2020). https://doi.org/10.1007/s10509-020-03871-w
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DOI: https://doi.org/10.1007/s10509-020-03871-w