Parker solar probe: Four years of discoveries at solar cycle minimum

NE Raouafi, L Matteini, J Squire, ST Badman… - Space Science …, 2023 - Springer
Abstract Launched on 12 Aug. 2018, NASA's Parker Solar Probe had completed 13 of its
scheduled 24 orbits around the Sun by Nov. 2022. The mission's primary science goal is to …

Magnetic reconnection as the driver of the solar wind

NE Raouafi, G Stenborg, DB Seaton… - The Astrophysical …, 2023 - iopscience.iop.org
We present EUV solar observations showing evidence for omnipresent jetting activity driven
by small-scale magnetic reconnection at the base of the solar corona. We argue that the …

Occurrence and evolution of switchbacks in the inner heliosphere: Parker solar probe observations

VK Jagarlamudi, NE Raouafi… - The Astrophysical …, 2023 - iopscience.iop.org
Since its launch in 2018, the Parker Solar Probe (PSP) mission revealed the presence of
numerous fascinating phenomena occurring closer to the Sun, such as the presence of …

Pressure anisotropy and viscous heating in weakly collisional plasma turbulence

J Squire, MW Kunz, L Arzamasskiy… - Journal of Plasma …, 2023 - cambridge.org
Pressure anisotropy can strongly influence the dynamics of weakly collisional, high-beta
plasmas, but its effects are missed by standard magnetohydrodynamics (MHD). Small …

New observations of solar wind 1/f turbulence spectrum from Parker Solar Probe

Z Huang, N Sioulas, C Shi, M Velli… - The Astrophysical …, 2023 - iopscience.iop.org
The trace magnetic power spectrum in the solar wind is known to be characterized by a
double power law at scales much larger than the proton gyro-radius, with flatter spectral …

[HTML][HTML] Stirring the base of the solar wind: On heat transfer and vortex formation

AJ Finley, AS Brun, M Carlsson, M Szydlarski… - Astronomy & …, 2022 - aanda.org
Context. Current models of the solar wind must approximate (or ignore) the small-scale
dynamics within the solar atmosphere; however, these are likely important in sha** the …

Nature, Generation, and Dissipation of Alfvénic Kinks/Switchbacks Observed by Parker Solar Probe and WIND

C Hou, X Zhu, R Zhuo, J He… - The Astrophysical …, 2023 - iopscience.iop.org
The discovery of very prominent magnetic kinks/switchbacks in the solar wind within 0.3 au
has become a scientific highlight of the Parker Solar Probe (PSP) mission. This discovery …

Alfvénic fluctuations in the expanding solar wind: Formation and radial evolution of spherical polarization

L Matteini, A Tenerani, S Landi, A Verdini, M Velli… - Physics of …, 2024 - pubs.aip.org
We investigate properties of large-scale solar wind Alfvénic fluctuations and their evolution
during radial expansion. We assume a strictly radial background magnetic field B∥ R⁠, and …

On the properties of Alfvénic switchbacks in the expanding solar wind: Three-dimensional numerical simulations

Z Johnston, J Squire, A Mallet, R Meyrand - Physics of Plasmas, 2022 - pubs.aip.org
Switchbacks—abrupt reversals of the magnetic field within the solar wind—have been
ubiquitously observed by Parker Solar Probe (PSP). Their origin, whether from processes …

Theory of Magnetic Switchbacks Fully Supported by Parker Solar Probe Observations

G Toth, M Velli, B van der Holst - The Astrophysical Journal, 2023 - iopscience.iop.org
Magnetic switchbacks are rapid high-amplitude reversals of the radial magnetic field in the
solar wind that do not involve a heliospheric current sheet crossing. First seen sporadically …