activity
20212026
most citedGeneral-relativistic neutrino-radiation magnetohydrodynamic simulation of seconds-long black hole-neutron star mergers

82 citations · 214 across the 9 of their papers we have counts for

collaborators

9 papers

astro-ph.HE2026

A first-principles binary neutron star merger model of GW170817, GRB170817A, and AT2017gfo

Kenta Kiuchi, Sho Fujibayashi, Kota Hayashi +6

The multimessenger observation of the binary neutron star merger event GW170817, associated with its electromagnetic counterparts GRB170817A and AT2017gfo, marked a milestone in as…

astro-ph.HE2025

Convective stability analysis of massive neutron stars formed in binary mergers

Yong Gao, Kota Hayashi, Kenta Kiuchi +3

We perform fully general-relativistic hydrodynamics simulations of binary neutron star mergers over post-merger to investigate the dynamics of remnant massive neutron…

astro-ph.HE2024

Jet from binary neutron star merger with prompt black hole formation

Kota Hayashi, Kenta Kiuchi, Koutarou Kyutoku +2

We performed the longest numerical-relativity neutrino-radiation magnetohydrodynamics simulation for a binary neutron star merger that extends to after the…

astro-ph.HE2024★ 9 cited

Black hole-neutron star mergers with massive neutron stars in numerical relativity

Shichuan Chen, Luohan Wang, Kota Hayashi +3

We study the merger of black hole-neutron star (BH-NS) binaries in numerical relativity, focusing on the properties of the remnant disk and the ejecta, varying the mass of compactn…

astro-ph.HE2024★ 1 cited

Three dimensional end-to-end simulation for kilonova emission from a black-hole neutron-star merger

Kyohei Kawaguchi, Nanae Domoto, Sho Fujibayashi +5

We study long-term evolution of the matter ejected in a black-hole neutron-star (BH-NS) merger employing the results of a long-term numerical-relativity simulation and nucleosynthe…

astro-ph.HE2022★ 12 cited

Actinide-boosting r Process in Black Hole-Neutron Star Merger Ejecta

Shinya Wanajo, Sho Fujibayashi, Kota Hayashi +3

We examine nucleosynthesis in the ejecta of black hole-neutron star mergers based on the results of long-term neutrino-radiation-magnetohydrodynamics simulations for the first time…

astro-ph.HE2022★ 69 cited

Self-consistent picture of the mass ejection from a one second-long binary neutron star merger leaving a short-lived remnant in general-relativistic neutrino-radiation magnetohydrodynamic simulation

Kenta Kiuchi, Sho Fujibayashi, Kota Hayashi +3

We perform a general-relativistic neutrino-radiation magnetohydrodynamic simulation of a one second-long binary neutron star merger on Japanese supercomputer Fugaku using about $72…

astro-ph.HE2022★ 41 cited

General-relativistic neutrino-radiation magnetohydrodynamics simulation of seconds-long black hole-neutron star mergers: Dependence on initial magnetic field strength, configuration, and neutron-star equation of state

Kota Hayashi, Kenta Kiuchi, Koutarou Kyutoku +2

As a follow-up study of our previous work, numerical-relativity simulations for seconds-long black hole-neutron star mergers are performed for a variety of setups. Irrespective of…

astro-ph.HE2021★ 82 cited

General-relativistic neutrino-radiation magnetohydrodynamic simulation of seconds-long black hole-neutron star mergers

Kota Hayashi, Sho Fujibayashi, Kenta Kiuchi +3

Seconds-long numerical-relativity simulations for black hole-neutron star mergers are performed for the first time to obtain a self-consistent picture of the merger and post-merger…