Cosmic explorer: A next-generation ground-based gravitational-wave observatory

ED Hall - Galaxies, 2022 - mdpi.com
Cosmic Explorer is a concept for a new laser interferometric observatory in the United States
to extend ground-based gravitational-wave astrophysics into the coming decades. Aiming to …

Gravitational-wave signature of core-collapse supernovae

D Vartanyan, A Burrows, T Wang, MSB Coleman… - Physical Review D, 2023 - APS
We calculate the gravitational-wave (GW) signatures of detailed three-dimensional (3D) core-
collapse supernova simulations spanning a range of massive stars. Most of the simulations …

Merger and postmerger of binary neutron stars with a quark-hadron crossover equation of state

YJ Huang, L Baiotti, T Kojo, K Takami, H Sotani… - Physical Review Letters, 2022 - APS
Fully general-relativistic binary-neutron-star (BNS) merger simulations with quark-hadron
crossover (QHC) equations of state (EOS) are studied for the first time. In contrast to EOS …

GWFAST: a Fisher information matrix python code for third-generation gravitational-wave detectors

F Iacovelli, M Mancarella, S Foffa… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract We introduce GWFAST (https://github. com/CosmoStatGW/gwfast), a Fisher
information matrix Python code that allows for easy and efficient estimation of signal-to-noise …

Listening to the universe with next generation ground-based gravitational-wave detectors

S Borhanian, BS Sathyaprakash - Physical Review D, 2024 - APS
In this study, we use simple performance metrics to assess the science capabilities of future
ground-based gravitational-wave detector networks composed of A+ or Voyager upgrades …

Signatures of primordial black holes in gravitational wave clustering

S Libanore, M Liguori, A Raccanelli - Journal of Cosmology and …, 2023 - iopscience.iop.org
The possible existence of primordial black holes (PBHs) is an open question in modern
cosmology. Among the probes to test it, gravitational waves (GW) coming from their mergers …

Searching for primordial black holes with the Einstein Telescope: impact of design and systematics

G Franciolini, F Iacovelli, M Mancarella, M Maggiore… - Physical Review D, 2023 - APS
Primordial black holes (PBHs) have recently attracted much attention, as they may explain
some of the LIGO/Virgo/KAGRA observations and significantly contribute to the dark matter …

Inference of protoneutron star properties in core-collapse supernovae from a gravitational-wave detector network

T Bruel, MA Bizouard, M Obergaulinger… - Physical Review D, 2023 - APS
The next Galactic core-collapse supernova (CCSN) will be a unique opportunity to study
within a fully multimessenger approach the explosion mechanism responsible for the …

Continuous Gravitational Waves from Galactic Neutron Stars: Demography, Detectability, and Prospects

G Pagliaro, MA Papa, J Ming, J Lian… - The Astrophysical …, 2023 - iopscience.iop.org
We study the prospects for the detection of continuous gravitational signals from normal
Galactic neutron stars, ie, nonrecycled stars. We use a synthetic population generated by …

Predicting binary neutron star postmerger spectra using artificial neural networks

D Pesios, I Koutalios, D Kugiumtzis, N Stergioulas - Physical Review D, 2024 - APS
Gravitational waves in the postmerger phase of binary neutron star mergers may become
detectable with planned upgrades of existing gravitational-wave detectors or with more …