Laying the foundation of the effective-one-body waveform models SEOBNRv5: Improved accuracy and efficiency for spinning nonprecessing binary black holes

L Pompili, A Buonanno, H Estellés, M Khalil… - Physical Review D, 2023 - APS
We present SEOBNRv5HM, a more accurate and faster inspiral-merger-ringdown
gravitational waveform model for quasicircular, spinning, nonprecessing binary black holes …

Quark formation and phenomenology in binary neutron-star mergers using V-QCD

S Tootle, C Ecker, K Topolski, T Demircik, M Jarvinen… - SciPost physics, 2022 - scipost.org
Abstract Using full 3+ 1 dimensional general-relativistic hydrodynamic simulations of equal-
and unequal-mass neutron-star binaries with properties that are consistent with those …

Post-merger gravitational-wave signal from neutron-star binaries: a new look at an old problem

K Topolski, SD Tootle, L Rezzolla - The astrophysical journal, 2023 - iopscience.iop.org
The spectral properties of the post-merger gravitational-wave signal from a binary of neutron
stars encodes a variety of information about the features of the system and of the equation of …

The new discontinuous Galerkin methods based numerical relativity program Nmesh

W Tichy, L Ji, A Adhikari, A Rashti… - Classical and Quantum …, 2022 - iopscience.iop.org
Interpreting gravitational wave observations and understanding the physics of astrophysical
compact objects such as black holes or neutron stars requires accurate theoretical models …

First investigation of void statistics in numerical relativity simulations

MJ Williams, HJ Macpherson… - Monthly Notices of …, 2025 - academic.oup.com
We apply and extend standard tools for void statistics to cosmological simulations that solve
Einstein's equations with numerical relativity (NR). We obtain a simulated void catalogue …

Effects of nuclear matter properties in neutron star mergers

M Jacobi, FM Guercilena, S Huth… - Monthly Notices of …, 2024 - academic.oup.com
The dynamics in mergers of binary neutron star (BNS) systems depend sensitively on the
equation of state (EOS) of dense matter. This has profound implications on the emission of …

Signatures of low-mass black hole–neutron star mergers

R Matur, I Hawke, N Andersson - Monthly Notices of the Royal …, 2024 - academic.oup.com
The recent observation of the GW230529 event indicates that black hole–neutron star
binaries can contain low-mass black holes. Since lower mass systems are more favourable …

The Dynamics of Debris Disk Creation in Neutron Star Mergers

Y Zenati, JH Krolik, LR Werneck… - The Astrophysical …, 2024 - iopscience.iop.org
The detection of GW170817/AT2017gfo inaugurated an era of multimessenger astrophysics,
in which gravitational-wave and multiwavelength photon observations complement one …

Exploring the potential for detecting rotational instabilities in binary neutron star merger remnants with gravitational wave detectors

A Sasli, N Karnesis, N Stergioulas - Physical Review D, 2024 - APS
We explore the potential for detecting rotational instabilities in the postmerger phase of
binary neutron star mergers using different network configurations of upgraded and next …

Nonlinear dynamics of quadratic gravity in spherical symmetry

A Held, H Lim - Physical Review D, 2021 - APS
We present the first numerically stable nonlinear evolution for the leading-order gravitational
effective field theory (quadratic gravity) in the spherically-symmetric sector. The formulation …