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of 136
pro vyhledávání: '"Viñas, Adolfo"'
Temperature anisotropy and field-aligned skewness are commonly observed non-thermal features in electron velocity distributions in the solar wind. These characteristics can act as a source of free energy to destabilize different electromagnetic wave
Externí odkaz:
http://arxiv.org/abs/2307.13630
Publikováno v:
A&A 660, A24 (2022)
We investigate, using a multi-fluid approach, the main properties of standing ion-acoustic modes driven by nonlinear standing Alfv\'en waves. The standing character of the Alfv\'enic pump is because we study the superposition of two identical circula
Externí odkaz:
http://arxiv.org/abs/2112.13048
Electron velocity distributions in the solar wind are known to have field-aligned skewness, which has been characterized by the presence of secondary populations such as the halo and strahl. Skewness may provide energy for the excitation of electroma
Externí odkaz:
http://arxiv.org/abs/2110.06748
Akademický článek
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Autor:
Horaites, Konstantinos, Boldyrev, Stanislav, Wilson III, Lynn B., Viñas, Adolfo F., Merka, Jan
We develop a model for the strahl population in the solar wind -- a narrow, low-density and high-energy electron beam centered on the magnetic field direction. Our model is based on the solution of the electron drift-kinetic equation at heliospheric
Externí odkaz:
http://arxiv.org/abs/1706.03464
We perform 2.5D hybrid simulations with massless fluid electrons and kinetic particle-in-cell ions to study the temporal evolution of ion temperatures, temperature anisotropies and velocity distribution functions in relation to the dissipation and tu
Externí odkaz:
http://arxiv.org/abs/1506.05318
Publikováno v:
Adv.SpaceRes.41:1704-1709,2008
We describe a new wave mode similar to the acoustic wave in which both density and velocity fluctuate. Unlike the acoustic wave in which the underlying distribution is Maxwellian, this new wave mode occurs when the underlying distribution is a suprat
Externí odkaz:
http://arxiv.org/abs/0710.3876
Publikováno v:
In Journal of Computational Physics 15 December 2018 375:983-1004
Akademický článek
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Publikováno v:
In Advances in Space Research 2008 41(10):1704-1709