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Higher-order statistics of the stochastic gravitational wave background from supermassive black hole binaries
Hinano Hisamatsu, Koutarou Kyutoku
Recent progress in gravitational wave observations has positioned pulsar timing arrays as a key tool for detecting the stochastic gravitational wave background in the nanohertz ban…
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…
Signature of hadron-quark crossover in binary-neutron-star mergers
Yuki Fujimoto, Kenji Fukushima, Kenta Hotokezaka +1
We study observational signatures of the hadron-quark crossover in binary-neutron-star mergers by numerical-relativity simulations with various mass configurations. We employ two e…
On the Testability of the Quark-Hadron Transition Using Gravitational Waves From Merging Binary Neutron Stars
Reiko Harada, Kipp Cannon, Kenta Hotokezaka +1
Elementary particles such as quarks and gluons are expected to be fundamental degrees of freedom at ultra high temperatures or densities, while natural phenomena in our daily lives…
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…
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…