The interplay of magnetically dominated turbulence and magnetic reconnection in producing nonthermal particles

L Comisso, L Sironi - The Astrophysical Journal, 2019 - iopscience.iop.org
Magnetized turbulence and magnetic reconnection are often invoked to explain the
nonthermal emission observed from a wide variety of astrophysical sources. By means of …

Ion and electron acceleration in fully kinetic plasma turbulence

L Comisso, L Sironi - The Astrophysical Journal Letters, 2022 - iopscience.iop.org
Turbulence is often invoked to explain the origin of nonthermal particles in space and
astrophysical plasmas. By means of 3D fully kinetic particle-in-cell simulations, we …

Current sheets, plasmoids and flux ropes in the heliosphere: Part ii: Theoretical aspects

O Pezzi, F Pecora, J Le Roux, NE Engelbrecht… - Space Science …, 2021 - Springer
Our understanding of processes occurring in the heliosphere historically began with
reduced dimensionality-one-dimensional (1D) and two-dimensional (2D) sketches and …

Particle acceleration in strong MHD turbulence

M Lemoine - Physical Review D, 2021 - APS
Nonthermal acceleration of particles in magnetohydrodynamic (MHD) turbulence plays a
central role in a wide variety of astrophysical sites. This physics is addressed here in the …

dHybridR: A hybrid particle-in-cell code including relativistic ion dynamics

CC Haggerty, D Caprioli - The Astrophysical Journal, 2019 - iopscience.iop.org
We present the first plasma simulations obtained with the code dHybridR, a hybrid particle-in-
cell code with fluid electrons and both thermal and energetic ions that retain relativistic …

Identification of coherent structures in space plasmas: the magnetic helicity–PVI method

F Pecora, S Servidio, A Greco… - Astronomy & …, 2021 - aanda.org
Context. Plasma turbulence can be viewed as a magnetic landscape populated by large-
and small-scale coherent structures. In this complex network, large helical magnetic tubes …

Microphysical plasma relations from special-relativistic turbulence

C Meringolo, A Cruz-Osorio, L Rezzolla… - The Astrophysical …, 2023 - iopscience.iop.org
The microphysical, kinetic properties of astrophysical plasmas near accreting compact
objects are still poorly understood. For instance, in modern general-relativistic …

Parker Solar Probe Observations of Energetic Particles in the Flank of a Coronal Mass Ejection Close to the Sun

NA Schwadron, SD Bale, J Bonnell… - The Astrophysical …, 2024 - iopscience.iop.org
We present an event observed by Parker Solar Probe (PSP) at∼ 0.2 au on 2022 March 2 in
which imaging and in situ measurements coincide. During this event, PSP passed through …

Parker Solar Probe observations of helical structures as boundaries for energetic particles

F Pecora, S Servidio, A Greco… - Monthly Notices of …, 2021 - academic.oup.com
Energetic particle transport in the interplanetary medium is known to be affected by magnetic
structures. It has been demonstrated for solar energetic particles in near-Earth orbit studies …

Single-spacecraft identification of flux tubes and current sheets in the solar wind

F Pecora, A Greco, Q Hu, S Servidio… - The Astrophysical …, 2019 - iopscience.iop.org
A novel technique is presented for describing and visualizing the local topology of the
magnetic field using single-spacecraft data in the solar wind. The approach merges two …