activity
20192026
most citedFirst 100 ms of a long-lived magnetized neutron star formed in a binary neutron star merger

138 citations · 395 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph.HE2026

Jet variability in small mass ratio supermassive black hole binaries

Jay V. Kalinani, Manuela Campanelli, Michail Chabanov +4

We present three-dimensional general relativistic magnetohydrodynamic simulations of a precessing supermassive black hole binary with mass ratio q=1/7, embedded in a circumbinary d…

astro-ph.HE2026

Binary Neutron Star Merger Simulations with Microphysical Equation of State using Spritz

Fatemeh Hossein Nouri, Jay V. Kalinani, Bruno Giacomazzo +2

We present the first binary neutron star merger simulations performed with the general-relativistic magnetohydrodynamics (GRMHD) Spritz code employing a finite-temperature tabulate…

astro-ph.HE2026

Magnetic Eruption and Nucleosynthesis in GRνMHD Simulations of Spinning Neutron Star Mergers

Allen Wen, Jay V. Kalinani, Michail Chabanov +3

We present three-dimensional general relativistic magnetohydrodynamics simulations of equal-mass binary neutron star mergers with varied neutron star spin configurations and second…

gr-qc2026

Accelerating Numerical Relativity Simulations with New Multistep Fourth-Order Runge-Kutta Methods

Lucas Timotheo Sanches, Steven Robert Brandt, Jay Kalinani +2

Many HPC applications that solve differential equations rely on the Runge-Kutta family of methods for time integration. Among these methods, the fourth-order accurate RK4 scheme is…

astro-ph.HE2025★ 1 cited

Jet-environment interaction after delayed collapse in binary neutron star mergers

Jay V. Kalinani, Riccardo Ciolfi, Manuela Campanelli +4

We present general relativistic magnetohydrodynamic simulations of binary neutron star (BNS) mergers, where the collapse of the metastable massive neutron star (MNS) remnant leads…

astro-ph.HE2025★ 9 cited

Relativistic gas accretion onto supermassive black Hole binaries from inspiral through merger

Lorenzo Ennoggi, Manuela Campanelli, Yosef Zlochower +8

Accreting supermassive black hole binaries are powerful multimessenger sources emitting both gravitational and EM radiation. Understanding the accretion dynamics of these systems a…

astro-ph.HE2025

Role of injection parameters in jet propagation through realistic binary neutron star merger environments

Andrea Pavan, Riccardo Ciolfi, Emma Dreas +1

After the first multi-messenger observation of a binary neutron star (BNS) merger powering a short-duration gamma-ray burst (GRB), GW170817-GRB 170817A, remarkable effort is ongoin…

astro-ph.HE2024★ 10 cited

AsterX: a new open-source GPU-accelerated GRMHD code for dynamical spacetimes

Jay V. Kalinani, Liwei Ji, Lorenzo Ennoggi +10

We present AsterX, a novel open-source, modular, GPU-accelerated, fully general relativistic magnetohydrodynamic (GRMHD) code designed for dynamic spacetimes in 3D Cartesian coordi…

astro-ph.HE2022★ 17 cited

Jet-environment interplay in magnetized binary neutron star mergers

Andrea Pavan, Riccardo Ciolfi, Jay Vijay Kalinani +1

GRB 170817A, the first short gamma-ray burst (sGRB) to be detected in coincidence with a gravitational wave signal, demonstrated that merging binary neutron star (BNS) systems can…

gr-qc2021★ 81 cited

Turbulent magnetic field amplification in binary neutron star mergers

C. Palenzuela, R. Aguilera-Miret, F. Carrasco +5

Magnetic fields are expected to play a key role in the dynamics and the ejection mechanisms that accompany the merger of two neutron stars. General relativistic magnetohydrodynamic…

astro-ph.HE2021★ 9 cited

Implementing a new recovery scheme for primitive variables in the general relativistic magnetohydrodynamic code Spritz

Jay V. Kalinani, Riccardo Ciolfi, Wolfgang Kastaun +3

General relativistic magnetohydrodynamic (GRMHD) simulations represent a fundamental tool to probe various underlying mechanisms at play during binary neutron star (BNS) and neutro…

astro-ph.HE2021★ 29 cited

Short gamma-ray burst jet propagation in binary neutron star merger environments

Andrea Pavan, Riccardo Ciolfi, Jay Vijay Kalinani +1

The multimessenger event GW170817/GRB 170817A confirmed that binary neutron star (BNS) mergers can produce short gamma-ray burst (SGRB) jets. This evidence promoted new investigati…

astro-ph.HE2020★ 16 cited

Spritz: General Relativistic Magnetohydrodynamics with Neutrinos

Federico Cipolletta, Jay Vijay Kalinani, Edoardo Giangrandi +4

We here present a new version of the publicly available general relativistic magnetohydrodynamic (GRMHD) code , which now includes an approximate neutrino leakage…

gr-qc2020★ 55 cited

Robust Recovery of Primitive Variables in Relativistic Ideal Magnetohydrodynamics

Wolfgang Kastaun, Jay Vijay Kalinani, Riccardo Ciolfi

Modern simulation codes for general relativistic ideal magnetohydrodynamics are all facing a long standing technical problem given by the need to recover fundamental variables from…

astro-ph.HE2020★ 2 cited

Magnetically driven baryon winds from binary neutron star merger remnants and the blue kilonova of August 2017

Riccardo Ciolfi, Jay Vijay Kalinani

The observation of a radioactively-powered kilonova associated with the first binary neutron star (BNS) merger detected in gravitational waves proved that these events are ideal si…

astro-ph.HE2019★ 28 cited

Spritz: a new fully general-relativistic magnetohydrodynamic code

Federico Cipolletta, Jay Vijay Kalinani, Bruno Giacomazzo +1

The new era of multimessenger astrophysics requires the capability of studying different aspects of the evolution of compact objects. In particular, the merger of neutron star bina…

astro-ph.HE2019★ 138 cited

First 100 ms of a long-lived magnetized neutron star formed in a binary neutron star merger

Riccardo Ciolfi, Wolfgang Kastaun, Jay Vijay Kalinani +1

The recent multimessenger observation of the short gamma-ray burst (SGRB) GRB 170817A together with the gravitational wave (GW) event GW170817 provides evidence for the long-standi…