WebMay 4, 2024 · Firehose-like instabilities (FIs) are cited in multiple astrophysical applications. Of particular interest are the kinetic manifestations in weakly-collisional or even collisionless plasmas, where these instabilities are expected to contribute to the evolution of macroscopic parameters. Relatively recent studies have initiated a realistic description of FIs, as … WebNote that the firehose instability can be responsible for the excitation/amplification of different kinetic wave modes, particularly, KAWs observed around DFs (Chen & Wu, …
Frontiers Electron-Driven Instabilities in the Solar Wind
WebJulien Clinton Sprott, "2.25, Firehose Instability", Physics Demonstrations - A Sourcebook for Teachers of Physics, p. 131. Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. WebAt maximum growth, the non-propagating electron firehose instability has k ∼ 1/d e. The non-propagating electron firehose has a significantly lower threshold than the propagating electron firehose instability under typical solar-wind conditions (Gary and Nishimura, 2003; Lazar et al., 2024). mysql welcome back
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WebDec 2, 2024 · The right-hand polarized low frequency growing proton firehose (PFH) mode is excited by nonresonant protons under the condition T ∥P > T ⊥p, which is frequently encountered in radially expanding solar wind.Previously, the dispersion and the associated instability with the proton firehose mode are studied in the linear 30 30. M. WebJun 30, 2024 · where k is the modulus of the wave vector and θ is the angle between the wave vector and the unperturbed magnetic field.. From the general solutions (1) and (2), we obtain solutions for the firehose instability caused by beam pressure. Let us consider low-pressure magnetized plasma in which a high-speed proton beam propagates along a … WebJul 12, 2013 · At oblique propagation, the electron firehose instability splits into two different branches, which both develop much faster than the parallel firehose instability. … the spooky worm