83 citations · 302 across the 16 of their papers we have counts for
16 papers
A robust super-time-stepping scheme for Ohmic and ambipolar diffusion
Giancarlo Mattia, Mario Flock, David Melon Fuksman +3
Context. Non-ideal magnetohydrodynamics (MHD) is a key tool for modeling magnetic flux transport in astrophysical systems such as molecular clouds, protostellar cores, and protopla…
2D or not 2D? Exploring 3D relativistic magnetic reconnection dynamics with highly accurate numerical simulations
Vittoria Berta, Matteo Bugli, Andrea Mignone +3
Fast reconnection in magnetically dominated plasmas is widely invoked in models of dissipation in pulsar winds, gamma-ray flares in the Crab nebula, and to explain the radio nanosh…
PyPLUTO: a data analysis Python package for the PLUTO code
Giancarlo Mattia, Daniele Crocco, David Melon Fuksman +5
In recent years, numerical simulations have become indispensable for addressing complex astrophysical problems. The MagnetoHydroDynamics (MHD) framework represents a key tool for i…
Relativistic reconnection with effective resistivity: I. Dynamics and reconnection rate
M. Bugli, E. F. Lopresti, E. Figueiredo +6
Relativistic magnetic reconnection is one of the most fundamental mechanisms considered responsible for the acceleration of relativistic particles in astrophysical jets and magneto…
A Fourth-Order Finite Volume Scheme for Resistive Relativistic Magnetohydrodynamics
Andrea Mignone, Vittoria Berta, Marco Rossazza +4
We present a finite-volume, genuinely 4th-order accurate numerical method for solving the equations of resistive relativistic magnetohydrodynamics (Res-RMHD) in Cartesian coordinat…
Magnetic dissipation in short gamma-ray burst jets. I. Resistive relativistic MHD evolution in a model environment
Giancarlo Mattia, Luca Del Zanna, Andrea Pavan +1
Short gamma-ray bursts originate when relativistic jets emerge from the remnants of binary neutron star mergers. Both the jet and the remnant are believed to be strongly magnetized…
A -order accurate finite volume method for ideal classical and special relativistic MHD based on pointwise reconstructions
Vittoria Berta, Andrea Mignone, Matteo Bugli +1
We present a novel implementation of a genuinely -order accurate finite volume scheme for multidimensional classical and special relativistic magnetohydrodynamics (MHD)…
Resistive relativistic MHD simulations of astrophysical jets
Giancarlo Mattia, Luca Del Zanna, Matteo Bugli +4
Aims. The main goal of the present paper is to provide the first systematic numerical study of the propagation of astrophysical relativistic jets, in the context of high-resolution…
Jets from accretion disk dynamos: consistent quenching modes for dynamo and resistivity
Giancarlo Mattia, Christian Fendt
Astrophysical jets are launched from strongly magnetized systems that host an accretion disk surrounding a central object. The origin of the magnetic field, which is a key componen…
Exploring the disk-jet connection in NGC 315
L. Ricci, B. Boccardi, E. Nokhrina +7
Aims. Hot accretion flows are thought to be able to power the relativistic jets observed in Active Galactic Nuclei. They can present themselves as SANE (Standard And Normal Evoluti…
A comparison of approximate non-linear Riemann solvers for Relativistic MHD
Giancarlo Mattia, Andrea Mignone
We compare a particular selection of approximate solutions of the Riemann problem in the context of ideal relativistic magnetohydrodynamics. In particular, we focus on Riemann solv…
MHD accretion-ejection: jets launched by a non-isotropic accretion disk dynamo. II. A dynamo tensor defined by the disk Coriolis number
Giancarlo Mattia, Christian Fendt
Astrophysical jets are launched from strongly magnetized systems that host an accretion disk surrounding a central object. Here we address the question how to generate the accretio…
MHD accretion-ejection: jets launched by a non-isotropic accretion disk dynamo. I. Validation and application of selected dynamo tensorial components
Giancarlo Mattia, Christian Fendt
Astrophysical jets are launched from strongly magnetized systems that host an accretion disk surrounding a central object. The origin of the jet launching magnetic field is one of…
A Constrained Transport Method for the Solution of the Resistive Relativistic MHD Equations
A. Mignone, G. Mattia, G. Bodo +1
We describe a novel Godunov-type numerical method for solving the equations of resistive relativistic magnetohydrodynamics. In the proposed approach, the spatial components of both…
Linear Wave Propagation for Resistive Relativistic Magnetohydrodynamics
A. Mignone, G. Mattia, G. Bodo
We present a linear mode analysis of the relativistic MHD equations in the presence of finite electrical conductivity. Starting from the fully relativistic covariant formulation, w…
A Particle Module for the PLUTO Code: I - an implementation of the MHD-PIC equations
A. Mignone, G. Bodo, B. Vaidya +1
We describe an implementation of a particle physics module available for the PLUTO code, appropriate for the dynamical evolution of a plasma consisting of a thermal fluid and a non…