Theory of cosmic ray transport in the heliosphere

NE Engelbrecht, F Effenberger, V Florinski… - Space Science …, 2022 - Springer
Modelling the transport of cosmic rays (CRs) in the heliosphere represents a global
challenge in the field of heliophysics, in that such a study, if it were to be performed from first …

The 511 keV emission from positron annihilation in the Galaxy

N Prantzos, C Boehm, AM Bykov, R Diehl… - Reviews of Modern …, 2011 - APS
The first γ-ray line originating from outside the Solar System that was ever detected is the
511 keV emission from positron annihilation in the Galaxy. Despite 30 years of intense …

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 …

[图书][B] Nonlinear cosmic ray diffusion theories

A Shalchi - 2009 - Springer
If charged particles move through the interplanetary or interstellar medium, they interact with
a large-scale magnetic field such as the magnetic field of the Sun or the Galactic magnetic …

Turbulence transport in the solar corona: Theory, modeling, and Parker Solar Probe

GP Zank, LL Zhao, L Adhikari, D Telloni… - Physics of …, 2021 - pubs.aip.org
A primary goal of the Parker Solar Probe (PSP) Mission is to answer the outstanding
question of how the solar corona plasma is heated to the high temperatures needed for the …

Shock geometry, seed populations, and the origin of variable elemental composition at high energies in large gradual solar particle events

AJ Tylka, CMS Cohen, WF Dietrich… - The Astrophysical …, 2005 - iopscience.iop.org
Above a few tens of MeV per nucleon, large, gradual solar energetic particle (SEP) events
are highly variable in their spectral characteristics and elemental composition. The origin of …

Particle acceleration at perpendicular shock waves: Model and observations

GP Zank, G Li, V Florinski, Q Hu… - Journal of …, 2006 - Wiley Online Library
On the basis of a recently developed nonlinear guiding center theory for the perpendicular
spatial diffusion coefficient κ⊥ used to describe the transport of energetic particles, we …

Perpendicular transport of energetic particles in magnetic turbulence

A Shalchi - Space Science Reviews, 2020 - Springer
Scientists have explored how energetic particles such as solar energetic particles and
cosmic rays move through a magnetized plasma such as the interplanetary and interstellar …

Small-scale magnetic islands in the solar wind and their role in particle acceleration. I. Dynamics of magnetic islands near the heliospheric current sheet

O Khabarova, GP Zank, G Li, JA Le Roux… - The Astrophysical …, 2015 - iopscience.iop.org
Increases of ion fluxes in the keV–MeV range are sometimes observed near the heliospheric
current sheet (HCS) during periods when other sources are absent. These resemble solar …

Turbulence in the outer heliosphere

F Fraternale, L Adhikari, H Fichtner, TK Kim… - Space Science …, 2022 - Springer
The solar wind (SW) and local interstellar medium (LISM) are turbulent media. Their
interaction is governed by complex physical processes and creates heliospheric regions …