138 citations · 1.2k across the 39 of their papers we have counts for
16 papers · 1 filter
Temperature anisotropy instabilities driven by intermittent velocity shears in the solar wind
Simon Opie, Daniel Verscharen, Christopher H. K. Chen +5
Where and under what conditions the transfer of energy between electromagnetic fields and particles takes place in the solar wind remains an open question. We investigate the condi…
Turbulent Energy Conversion Associated with Kinetic Microinstabilities in Earth's Magnetosheath
Harry C. Lewis, Julia E. Stawarz, Lorenzo Matteini +6
Plasma in the terrestrial magnetosheath is characterised by very weak particle-particle collisions, so kinetic microinstabilities are thought to be responsible for regulating the t…
The essential role of multi-point measurements in investigations of turbulence, three-dimensional structure, and dynamics: the solar wind beyond single scale and the Taylor Hypothesis
W. H. Matthaeus, S. Adhikari, R. Bandyopadhyay +49
Space plasmas are three-dimensional dynamic entities. Except under very special circumstances, their structure in space and their behavior in time are not related in any simple way…
Anisotropic electron heating in turbulence-driven magnetic reconnection in the near-Sun solar wind
Luca Franci, Emanuele Papini, Alfredo Micera +5
We perform a high-resolution two-dimensional fully-kinetic numerical simulation of a turbulent plasma system with observation-driven conditions, in order to investigate the interpl…
Magnetic field turbulence in the solar wind at sub-ion scales: in situ observations and numerical simulations
L. Matteini, L. Franci, O. Alexandrova +5
We investigate the transition of the solar wind turbulent cascade from MHD to sub-ion range by means of a detail comparison between in situ observations and hybrid numerical simula…
Turbulence vs. fire hose instabilities: 3-D hybrid expanding box simulations
P. Hellinger, L. Matteini, S. Landi +3
The relationship between a decaying plasma turbulence and proton fire hose instabilities in a slowly expanding plasma is investigated using three-dimensional (3-D) hybrid expanding…
A Case for Electron-Astrophysics
Daniel Verscharen, Robert T. Wicks, Olga Alexandrova +27
A grand-challenge problem at the forefront of physics is to understand how energy is transported and transformed in plasmas. This fundamental research priority encapsulates the con…
In-situ observation of Hall Magnetohydrodynamic Cascade in Space Plasma
Riddhi Bandyopadhyay, Luca Sorriso-Valvo, Alexandros Chasapis +13
We present estimates of the turbulent energy cascade rate, derived from a Hall-MHD third-order law. We compute the contribution from the Hall term and the MHD term to the energy fl…
[Plasma 2020 Decadal] The essential role of multi-point measurements in turbulence investigations: the solar wind beyond single scale and beyond the Taylor Hypothesis
W. H. Matthaeus, R. Bandyopadhyay, M. R. Brown +46
This paper briefly reviews a number of fundamental measurements that need to be made in order to characterize turbulence in space plasmas such as the solar wind. It has long been k…
Von Karman-Howarth equation for Hall magnetohydrodynamics: Hybrid simulations
Petr Hellinger, Andrea Verdini, Simone Landi +2
A dynamical vectorial equation for homogeneous incompressible Hall-MHD turbulence together with the exact scaling law for third-order correlation tensors, analogous to that for the…
Solar wind turbulent cascade from MHD to sub-ion scales: large-size 3D hybrid particle-in-cell simulations
Luca Franci, Simone Landi, Andrea Verdini +2
Spectral properties of the turbulent cascade from fluid to kinetic scales in collisionless plasmas are investigated by means of large-size three-dimensional (3D) hybrid (fluid elec…
Magnetic reconnection as a driver for a sub-ion scale cascade in plasma turbulence
L. Franci, S. S. Cerri, F. Califano +6
A new path for the generation of a sub-ion scale cascade in collisionless plasma turbulence, triggered by magnetic reconnection, is uncovered by means of high-resolution two-dimens…
Mirror instability in the turbulent solar wind
P. Hellinger, S. Landi, L. Matteini +2
The relationship between a decaying strong turbulence and the mirror instability in a slowly expanding plasma is investigated using two-dimensional hybrid expanding box simulations…
Plasma beta dependence of the ion-scale spectral break of solar wind turbulence: high-resolution 2D hybrid simulations
Luca Franci, Simone Landi, Lorenzo Matteini +2
We investigate properties of the ion-scale spectral break of solar wind turbulence by means of two-dimensional high-resolution hybrid particle-in-cell simulations. We impose an ini…
Two-dimensional Hybrid Simulations of Kinetic Plasma Turbulence: Current and Vorticity vs Proton Temperature
Luca Franci, Petr Hellinger, Lorenzo Matteini +2
Proton temperature anisotropies between the directions parallel and perpendicular to the mean magnetic field are usually observed in the solar wind plasma. Here, we employ a high-r…
Plasma turbulence and kinetic instabilities at ion scales in the expanding solar wind
Petr Hellinger, Lorenzo Matteini, Simone Landi +3
The relationship between a decaying strong turbulence and kinetic instabilities in a slowly expanding plasma is investigated using two-dimensional (2-D) hybrid expanding box simula…