138 citations · 1.2k across the 39 of their papers we have counts for
44 papers
Measured energy exchange in coronal hole solar wind from its solar origins to the heliosphere
Yeimy J. Rivera, Alin R. Paraschiv, Samuel T. Badman +33
Coordinated ground- and space-based remote observations are used to provide a comprehensive, multi-perspective view of the solar atmosphere that we connect with in situ measurement…
Strong Nonlinear Alfvén Wave Interactions in a Laboratory Plasma
C. H. K. Chen, S. Dorfman, S. Boldyrev +6
Alfvén waves and their nonlinear interactions are ubiquitous in space and astrophysical plasmas, and are thought to play important roles in the dynamics of these systems, yet their…
Anomalous Electric Fields in Earth's Turbulent Magnetosheath: Insights From 3D Hybrid Simulations
Jeffersson A. Agudelo Rueda, Julia E. Stawarz, Luca Franci +3
In both collisional and collisionless plasmas the presence of a broad range of electromagnetic and plasma fluctuations provides anomalous electric fields that can be important for…
Shear interaction and acceleration of a corotating stream detected by Parker Solar Probe
Andrea Verdini, Simone Landi, Emanuele Papini +4
Recent analysis of Parker Solar Probe (PSP) and Solar Orbiter data indicates that fluctuations energy is transferred to the bulk flow in fast streams of the solar wind at heliocent…
UK White Paper on Magnetic Reconnection
Alexander J. B. Russell, James A. McLaughlin, Philippa Browning +25
Magnetic reconnection powers explosive releases of magnetic energy, heating and particle acceleration throughout the plasma universe. Knowledge of this universal process is vital t…
The near-Sun Heliospheric Current Sheet, fluid and kinetic properties
Naïs Fargette, Jonathan P. Eastwood, Tai D. Phan +2
The heliospheric current sheet (HCS) is an important large-scale structure of the heliosphere, and, for the first time, the Parker Solar Probe (PSP) mission enables us to study its…
Evolution of ion distribution functions in ionospheric plasmas perturbed by Alfvén waves
Dario Recchiuti, Luca Franci, Lorenzo Matteini +3
This study investigates ion kinetic effects during the parametric decay instability (PDI) of parallel-propagating Alfvén waves under plasma conditions characteristic of the Earth's…
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…
Properties of an interplanetary shock observed at 0.07 and 0.7 Astronomical Units by Parker Solar Probe and Solar Orbiter
D. Trotta, A. Larosa, G. Nicolaou +23
The Parker Solar Probe (PSP) and Solar Orbiter (SolO) missions opened a new observational window in the inner heliosphere, which is finally accessible to direct measurements. On Se…
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…
Ion-scale transition of plasma turbulence: Pressure-strain effect
Petr Hellinger, Victor Montagud-Camps, Luca Franci +4
We investigate properties of solar wind-like plasma turbulence using direct numerical simulations. We analyze the transition from large, magnetohydrodynamic (MHD) scales to the ion…
Spacetime Hall-MHD turbulence at sub-ion scales: structures or waves?
Emanuele Papini, Antonio Cicone, Luca Franci +4
Spatiotemporal properties of two-dimensional (2D) Hall-magnetohydrodynamic turbulence at intermediate plasma are studied by means of Fast Iterative Filtering, a new technique…
Spectral transfer and Kármán-Howarth-Monin equations for compressible Hall magnetohydrodynamics
Petr Hellinger, Emanuele Papini, Andrea Verdini +4
We derive two new forms of the Kármán-Howarth-Monin equation for decaying compressible Hall magnetohydrodynamic (MHD) turbulence. We test them on results of a weakly-compressible,…
Evidence of a "current-mediated" turbulent regime in space and astrophysical plasmas
Luca Franci, Daniele Del Sarto, Emanuele Papini +6
How the turbulent energy cascade develops below the magnetohydrodynamic scales in space and astrophysical plasmas is a major open question. Here, we measure the power spectrum of m…
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…
Multidimensional Iterative Filtering: a new approach for investigating plasma turbulence in numerical simulations
Emanuele Papini, Antonio Cicone, Mirko Piersanti +4
Turbulent space and astrophysical plasmas exhibit a complex dynamics, which involves nonlinear coupling across different temporal and spatial scales. There is growing evidence that…
On cascade of kinetic energy in compressible hydrodynamic turbulence
Petr Hellinger, Andrea Verdini, Simone Landi +3
Properties of the turbulent cascade of kinetic energy are studied using direct numerical simulations of three-dimensional hydrodynamic decaying turbulence with a moderate Reynolds…
Modeling Kelvin-Helmholtz instability-driven turbulence with hybrid simulations of Alfvénic turbulence
Luca Franci, Julia E. Stawarz, Emanuele Papini +9
Magnetospheric Multiscale (MMS) observations of plasma turbulence generated by a Kelvin-Helmholtz (KH) event at the Earth's magnetopause are compared with a high-resolution two-dim…
Kinetic plasma turbulence: recent insights and open questions from 3D3V simulations
S. S. Cerri, D. Grošelj, L. Franci
Turbulence and kinetic processes in magnetized space plasmas have been extensively investigated over the past decades via \emph{in-situ} spacecraft measurements, theoretical models…
Fast acceleration of transrelativistic electrons in astrophysical turbulence
Domenico Trotta, Luca Franci, David Burgess +1
Highly energetic, relativistic electrons are commonly present in many astrophysical systems, from solar flares to the intra-cluster medium, as indicated by observed electromagnetic…
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…