activity
20202026
most citedNumerical Relativity Simulations of the Neutron Star Merger GW170817: Long-Term Remnant Evolutions, Winds, Remnant Disks, and Nucleosynthesis

149 citations · 417 across the 16 of their papers we have counts for

collaborators

16 papers

gr-qc2026

A strongly hyperbolic viscous relativistic hydrodynamics theory with first-order charge current

Federico Schianchi, Fernando Abalos

We extend the first order dissipative relativistic hydrodynamics model of Bemfica-Disconzi-Noronha- Kovtun (BDNK) in order to include the charge number current in full first order…

gr-qc2025

MHDuet : a high-order General Relativistic Radiation MHD code for CPU and GPU architectures

Carlos Palenzuela, Miguel Bezares, Steven Liebling +12

We present MHDuet, an open source evolution code for general relativistic magnetohydrodynamics with neutrino transport. The code solves the full set of Einstein equations coupled t…

astro-ph.HE2025

General-relativistic radiation magnetohydrodynamics simulations of binary neutron star mergers: The influence of spin on the multi-messenger picture

Anna Neuweiler, Henrique Gieg, Henrik Rose +8

The rich phenomenology of binary neutron star mergers offers a unique opportunity to test general relativity, investigate matter at supranuclear densities, and learn more about the…

astro-ph.HE2025

Employing deep-learning techniques for the conservative-to-primitive recovery in binary neutron star simulations

Ranjith Mudimadugula, Federico Schianchi, Anna Neuweiler +3

The detection of GW170817, together with its electromagnetic counterparts, has proven that binary neutron star mergers are of central importance to the field of nuclear astrophysic…

gr-qc2024★ 11 cited

On the Role of Muons in Binary Neutron Star Mergers: First Simulations

Henrique Gieg, Federico Schianchi, Maximiliano Ujevic +1

In this work we present a set of binary neutron star (BNS) merger simulations including the net muon fraction as an additional degree-of-freedom in the equation of state (EoS) and…

gr-qc2024

General Relativistic Magneto-Hydrodynamic Simulations with BAM: Implementation and Code Comparison

Anna Neuweiler, Tim Dietrich, Bernd Brügmann +7

Binary neutron star mergers are among the most energetic events in our Universe, with magnetic fields significantly impacting their dynamics, particularly after the merger. While n…

astro-ph.HE2024

Black-hole formation in binary neutron star mergers: The impact of spin on the prompt-collapse scenario

Federico Schianchi, Maximiliano Ujevic, Anna Neuweiler +3

Accurate modeling of the multi-messenger signatures connected to binary neutron star mergers requires proper knowledge on the final remnant's fate and the conditions under which bl…

gr-qc2023★ 2 cited

M1 neutrino transport within the numerical-relativistic code BAM with application to low mass binary neutron star mergers

Federico Schianchi, Henrique Gieg, Vsevolod Nedora +4

Neutrino interactions are essential for an accurate understanding of the binary neutron star merger process. In this article, we extend the code infrastructure of the well-establis…

gr-qc2022★ 15 cited

Reverse phase transitions in binary neutron-star systems with exotic-matter cores

Maximiliano Ujevic, Henrique Gieg, Federico Schianchi +3

Multi-messenger observations of binary neutron star mergers provide a unique opportunity to constrain the dense-matter equation of state. Although it is known from quantum chromody…

gr-qc2022

Incorporating a radiative hydrodynamics scheme in the numerical-relativity code BAM

Henrique Gieg, Federico Schianchi, Tim Dietrich +1

To study binary neutron star systems and to interpret observational data such as gravitational-wave and kilonova signals, one needs an accurate description of the processes that ta…

gr-qc2022★ 1 cited

Numerical Simulations of Dark Matter Admixed Neutron Star Binaries

Mattia Emma, Federico Schianchi, Francesco Pannarale +2

Multi-messenger observations of compact binary mergers provide a new way to constrain the nature of dark matter that may accumulate in and around neutron stars. In this article, we…

astro-ph.HE2021★ 46 cited

Dynamical ejecta synchrotron emission as possible contributor to the changing behaviour of GRB170817A

Vsevolod Nedora, David Radice, Sebastiano Bernuzzi +5

Over the past three years, the fading non-thermal emission from the GW170817 remained generally consistent with the afterglow powered by synchrotron radiation produced by the inter…

astro-ph.HE2021★ 17 cited

Predicting electromagnetic counterparts using low-latency, gravitational-wave data products

Cosmin Stachie, Michael W. Coughlin, Tim Dietrich +8

Searches for gravitational-wave counterparts have been going in earnest since GW170817 and the discovery of AT2017gfo. Since then, the lack of detection of other optical counterpar…

astro-ph.HE2020★ 54 cited

Mapping dynamical ejecta and disk masses from numerical relativity simulations of neutron star mergers

Vsevolod Nedora, Federico Schianchi, Sebastiano Bernuzzi +6

We present fitting formulae for the dynamical ejecta properties and remnant disk masses from the largest to date sample of numerical relativity simulations. The considered data inc…

astro-ph.HE2020★ 149 cited

Numerical Relativity Simulations of the Neutron Star Merger GW170817: Long-Term Remnant Evolutions, Winds, Remnant Disks, and Nucleosynthesis

Vsevolod Nedora, Sebastiano Bernuzzi, David Radice +7

We present a systematic numerical-relativity study of the dynamical ejecta, winds and nucleosynthesis in neutron star merger remnants. Binaries with the chirp mass compatible with…

astro-ph.HE2020★ 122 cited

Accretion-induced prompt black hole formation in asymmetric neutron star mergers, dynamical ejecta and kilonova signals

Sebastiano Bernuzzi, Matteo Breschi, Boris Daszuta +9

We present new numerical relativity results of neutron star mergers with chirp mass and mass ratios and using finite-temperature equations of state…