The transport and evolution of MHD turbulence throughout the heliosphere: models and observations

L Adhikari, GP Zank, L Zhao - Fluids, 2021 - mdpi.com
A detailed study of solar wind turbulence throughout the heliosphere in both the upwind and
downwind directions is presented. We use an incompressible magnetohydrodynamic (MHD) …

Theory and transport of nearly incompressible magnetohydrodynamic turbulence

GP Zank, L Adhikari, P Hunana, D Shiota… - The Astrophysical …, 2017 - iopscience.iop.org
The theory of nearly incompressible magnetohydrodynamics (NI MHD) was developed
largely in the early 1990s, together with an important extension to inhomogeneous flows in …

[HTML][HTML] Predictability of variable solar–terrestrial coupling

IA Daglis, LC Chang, S Dasso… - Annales …, 2021 - angeo.copernicus.org
Abstract In October 2017, the Scientific Committee on Solar-Terrestrial Physics (SCOSTEP)
Bureau established a committee for the design of SCOSTEP's Next Scientific Programme …

Diffusive shock acceleration and reconnection acceleration processes

GP Zank, P Hunana, P Mostafavi… - The Astrophysical …, 2015 - iopscience.iop.org
Shock waves, as shown by simulations and observations, can generate high levels of
downstream vortical turbulence, including magnetic islands. We consider a combination of …

Coherent events and spectral shape at ion kinetic scales in the fast solar wind turbulence

S Lion, O Alexandrova, A Zaslavsky - The Astrophysical Journal, 2016 - iopscience.iop.org
In this paper we investigate spectral and phase coherence properties of magnetic
fluctuations in the vicinity of the spectral transition from large, magnetohydrodynamic to sub …

Linear Mode Decomposition in Magnetohydrodynamics Revisited

GP Zank, LL Zhao, L Adhikari… - The Astrophysical …, 2023 - iopscience.iop.org
Small-amplitude fluctuations in the magnetized solar wind are measured typically by a
single spacecraft. In the magnetohydrodynamics (MHD) description, fluctuations are typically …

Small-scale magnetic islands in the solar wind and their role in particle acceleration. II. Particle energization inside magnetically confined cavities

OV Khabarova, GP Zank, G Li… - The Astrophysical …, 2016 - iopscience.iop.org
We explore the role of heliospheric magnetic field configurations and conditions that favor
the generation and confinement of small-scale magnetic islands associated with atypical …

Detection of small magnetic flux ropes from the third and fourth Parker Solar Probe encounters

LL Zhao, GP Zank, Q Hu, D Telloni, Y Chen… - Astronomy & …, 2021 - aanda.org
Context. Aims. We systematically search for magnetic flux rope structures in the solar wind to
within the closest distance to the Sun of~ 0.13 AU, using data from the third and fourth orbits …

Parker Solar Probe Observations of Solar Wind Energetic Proton Beams Produced by Magnetic Reconnection in the Near‐Sun Heliospheric Current Sheet

TD Phan, JL Verniero, D Larson… - Geophysical …, 2022 - Wiley Online Library
We report observations of reconnection exhausts in the Heliospheric Current Sheet (HCS)
during Parker Solar Probe Encounters 08 and 07, at 16 Rs and 20 Rs, respectively …

The acceleration of charged particles and formation of power-law energy spectra in nonrelativistic magnetic reconnection

X Li, F Guo, YH Liu - Physics of Plasmas, 2021 - pubs.aip.org
Magnetic reconnection is a primary driver of particle acceleration processes in space and
astrophysical plasmas. Understanding how particles are accelerated and the resulting …