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Nature of Transonic Sub-Alfvénic Turbulence and Density Fluctuations in the Near-Sun Solar Wind: Insights from Magnetohydrodynamic Simulations and Nearly-Incompressible Models
Giuseppe Arrò, Hui Li, Gary P. Zank +2
Recent Parker Solar Probe measurements have revealed that solar wind (SW) turbulence transits from a subsonic to a transonic regime near the Sun, while remaining sub-Alfvénic. Thes…
Parallel and perpendicular diffusion of energetic particles in the near-Sun solar wind observed by Parker Solar Probe
Nibuna Siranjeevi Madam Subashchandar, Lingling Zhao, Andreas Shalchi +6
We investigate energetic particle diffusion in the inner heliosphere (approximately 0.06-0.3 AU) explored by Parker Solar Probe (PSP). Parallel (kappa_parallel) and perpendicular (…
One dimensional analytical solutions of the transport equations for incompressible magnetohydrodynamic (MHD) turbulence
Bingbing Wang, Gary P. Zank, Laxman Adhikari +1
We derive one dimensional (1D) analytical solutions for the transport equations of incompressible magnetohydrodynamic (MHD) turbulence developed by Zank et al. [2012], Adhikari et…
Solar Coronal Heating: Role of Kinetic and Inertial Alfvén Waves in Heating and Charged Particle Acceleration
Syed Ayaz, Gary P. Zank, Imran A. Khan +3
A comprehensive understanding of solar coronal heating and charged particle acceleration remains one of the most critical challenges in space and astrophysical plasma physics. In t…
Electromagnetic Electron Kelvin-Helmholtz Instability
H. Che, G. P. Zank
On electron kinetic scales, ions and electrons decouple, and electron velocity shear on electron inertial length can trigger electromagnetic (EM) electron Kelvin-Helmhol…