98 citations · 514 across the 25 of their papers we have counts for
25 papers
Numerical simulations of waves and turbulence in coronal loops: observables and spectra
Fabio Feraco, Francesco Pucci, Claudio Meringolo +11
We investigate numerically the time evolution of velocity and magnetic field fluctuations in a coronal loop, focusing on the dynamics due to both phase mixing and turbulent cascade…
Evaluation of scale-dependent kurtosis with HelioSwarm
Francesco Pecora, Francesco Pucci, Francesco Malara +4
Plasma turbulence involves complex, nonlinear interactions of electromagnetic fields and charged particles across multiple scales. Studying these phenomena in space plasmas, like t…
Joint action of phase mixing and nonlinear effects in MHD waves propagating in coronal loops
Claudio Meringolo, Francesco Pucci, Giuseppe Nisticò +3
We investigate the interplay of phase mixing and the nonlinear turbulent cascade in the evolution and dissipation of Alfvén waves using compressible magnetohydrodynamics numerical…
Turbulence and particle energization in twisted flux ropes in solar-wind conditions
Oreste Pezzi, Domenico Trotta, Simone Benella +6
Context. The mechanisms regulating the transport and energization of charged particles in space and astrophysical plasmas are still debated. Plasma turbulence is known to be a powe…
Energetic particle dynamics in a simplified model of a solar wind magnetic switchback
F. Malara, S. Perri, J. Giacalone +1
Context. Recent spacecraft observations in the inner heliosphere have revealed the presence of local Alfvenic reversals of the magnetic field, while the field magnitude remains alm…
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…
Kinetic heating by Alfvén waves in magnetic shears
Fabio Bacchini, Francesco Pucci, Francesco Malara +1
With first-principles kinetic simulations, we show that a large-scale Alfvén wave (AW) propagating in an inhomogeneous background decays into kinetic Alfvén waves (KAWs), triggerin…
Exact hybrid-kinetic equilibria for magnetized plasmas with shearing flows
Giovanni Guzzi, Adriana Settino, Francesco Valentini +1
Context. Magnetized plasmas characterized by shearing flows are present in many natural contexts, such as the Earth's magnetopause and the solar wind. The collisionless nature of i…
Kelvin-Helmholtz instability at proton scales with an exact kinetic equilibrium
A. Settino, F. Malara, O. Pezzi +3
The Kelvin-Helmholtz instability is a ubiquitous physical process in ordinary fluids and plasmas, frequently observed also in space environments. In this paper, kinetic effects at…
Kinetic Alfvén wave generation by velocity shear in collisionless plasmas
Teresa Maiorano, Adriana Settino, Francesco Malara +3
The evolution of a linearly-polarized, long-wavelength Alfvén wave --propagating in a collisionless magnetized plasma with a sheared parallel-directed velocity flow-- is here studi…
Lattice small polarons and magnetic interactions drive preferential nanocrystal growth in silicon doped hematite
Mattia Allieta, Marcello Marelli, Mauro Coduri +5
Understanding the interplay between the structural, chemical and physical properties of nanomaterials is crucial for designing new devices with enhanced performance. In this regard…
[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…
Turbulence-driven ion beams in the magnetospheric Kelvin-Helmholtz instability
Luca Sorriso-Valvo, Filomena Catapano, Alessandro Retinò +21
The description of the local turbulent energy transfer, and the high-resolution ion distributions measured by the Magnetospheric Multiscale mission, together provide a formidable t…
Properties of turbulence in the reconnection exhaust: numerical simulations compared with observations
F. Pucci, S. Servidio, L. Sorriso-Valvo +6
The properties of the turbulence which develops in the outflows of magnetic reconnection have been investigated using self-consistent plasma simulations, in three dimensions. As co…
Exact hybrid-Vlasov equilibria for sheared plasmas with in-plane and out-of-plane magnetic field
F. Malara, O. Pezzi, F. Valentini
The hybrid Vlasov-Maxwell system of equations is suitable to describe a magnetized plasma at scales of the order of or larger than proton kinetic scales. An exact stationary soluti…
On the estimation of the current density in space plasmas: multi versus single-point techniques
Silvia Perri, Francesco Valentini, Luca Sorriso-Valvo +2
Thanks to multi-spacecraft mission, it has recently been possible to directly estimate the current density in space plasmas, by using magnetic field time series from four satellite…
Colliding Alfvénic wave packets in MHD, Hall and kinetic simulations
O. Pezzi, T. N. Parashar, S. Servidio +6
The analysis of the Parker-Moffatt problem, recently revisited in Pezzi et al. (2016), is here extended by including the Hall magnetohydrodynamics and two hybrid kinetic Vlasov-Max…
Revisiting a classic: the Parker-Moffatt problem
O. Pezzi, T. N. Parashar, S. Servidio +6
The interaction of two colliding Alfvén wave packets is here described by means of magnetohydrodynamics (MHD) and hybrid kinetic numerical simulations. The MHD evolution revisits t…
A fast algorithm for a three-dimensional synthetic model of intermittent turbulence
Francesco Malara, Francesca Di Mare, Giuseppina Nigro +1
Synthetic turbulence models are a useful tool that provide realistic representations of turbulence, necessary to test theoretical results, to serve as background fields in some num…
Transition to kinetic turbulence at proton scales driven by large-amplitude Kinetic Alfvèn fluctuations
F. Valentini, C. L. Vasconez, O. Pezzi +3
Space plasmas are dominated by the presence of large-amplitude waves, large-scale inhomogeneities, kinetic effects and turbulence. Beside the homogeneous turbulence, generation of…
Enhancing Hot Carrier Collection for Solar Water Splitting with Plasmonic Titanium Nitride
Alberto Naldoni, Urcan Guler, Zhuoxian Wang +6
The use of hot electrons generated from the decay of surface plasmons is a new paradigm to increase the conversion yield in solar energy technologies. Titanium nitride (TiN) is an…
Kinetic Alfvén waves generation by large-scale phase-mixing
C. L. Vasconez, F. Pucci, F. Valentini +3
One view of the solar-wind turbulence is that the observed highly anisotropic fluctuations at spatial scales near the proton inertial length may be considered as Kinetic Alfv…
Radial evolution of intermittency of density fluctuations in the fast solar wind
R. Bruno, D. Telloni, L. Primavera +6
We study the radial evolution of intermittency of density fluctuations in the fast solar wind. The study is performed analyzing the plasma density measurements provided by Helios 2…
Modeling a coronal loop heated by MHD-turbulence nanoflares
F. Reale, G. Nigro, F. Malara +2
We model the hydrodynamic evolution of the plasma confined in a coronal loop, 30000 km long, subject to the heating of nanoflares due to intermittent magnetic dissipative events in…