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19922026
most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k citations

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292 papers · 1 filter

gr-qc2026

Adiabatic evolution of asymmetric binaries on generic orbits with new fundamental fields I: characterization of gravitational wave fluxes

Sara Gliorio, Matteo Della Rocca, Susanna Barsanti +3

We investigate the dynamics of asymmetric binaries in extensions of General Relativity featuring a massless scalar field non-minimally coupled to gravity, focusing on the interplay…

gr-qc2026

The Sequential Monte Carlo goes NUTS: Boosting Gravitational-Wave Inference

Gabriele Demasi, Giulia Capurri, Massimo Lenti +9

Sequential Monte Carlo (SMC) methods have recently been applied to gravitational-wave inference as a powerful alternative to standard sampling techniques, such as Nested Sampling.…

gr-qc2025★ 3 cited

Dark matter mounds from the collapse of supermassive stars: a general-relativistic analysis

Roberto Caiozzo, Gianfranco Bertone, Piero Ullio +3

Recent work has highlighted the importance of a fully relativistic treatment of the dephasing of gravitational waves induced by dark-matter overdensities in extreme mass-ratio insp…

gr-qc2025

Results on Lorentzian metric spaces

E. Minguzzi

We provide a short introduction to ``Lorentzian metric spaces" i.e., spacetimes defined solely in terms of the two-point Lorentzian distance. As noted in previous work, this struct…

gr-qc2025★ 100 cited

GW250114: testing Hawking's area law and the Kerr nature of black holes

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1785

The gravitational-wave signal GW250114 was observed by the two LIGO detectors with a network matched-filter signal-to-noise ratio of 80. The signal was emitted by the coalescence o…

gr-qc2025

Shear viscosity to entropy density ratio: A powerful tool for gravity theories and strongly coupled fluids

Marilù Chiofalo, Dario Grasso, Stefano Liberati +1

In this perspective review, we present a concise yet multifaceted overview of the pivotal role played by the the shear viscosity to entropy density ratio across various physical co…

gr-qc2025★ 1 cited

Destructuring Physics: A functional derivation of spacetime

Ettore Minguzzi

I propose that Physics should be formulated using minimal mathematical structure, beginning with its foundational arena: spacetime. This paper opens with a concise overview of seve…

gr-qc2025★ 1 cited

The representation of spacetime through time functions

Ettore Minguzzi

The properties of the stable distance over stable spacetimes are used as a reference to propose a simplified, abstract notion of spacetime. The discussion shows that spacetime, wit…

gr-qc2025

Compact Cauchy horizons admit constant surface gravity

Raymond A. Hounnonkpe, Ettore Minguzzi

We prove that in any spacetime dimension and under the null energy condition, every totally geodesic connected smooth compact null hypersurface (hence every compact Cauchy horizon)…

gr-qc2025★ 97 cited

The Science of the Einstein Telescope

Adrian Abac, Raul Abramo, Simone Albanesi +485

Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…

gr-qc2025★ 4 cited

The impact of local noise recorded at the ET candidate sites on the signal to noise ratio of CBC gravitational wave signals for the ET triangle configuration

Matteo Di Giovanni, Davide Rozza, Rosario De Rosa +17

We present an evaluation of how site dependent noise can affect the signal to noise ratio (SNR) of compact binary coalescence (CBC) signals in the future 3rd generation gravitation…

gr-qc2025★ 6 cited

Scalar-Induced Gravitational Waves in Modified Gravity

Anjali Abirami Kugarajh, Marisol Traforetti, Andrea Maselli +2

Scalar-Induced Gravitational Waves (SIGWs), second-order tensor modes sourced by first-order scalar fluctuations in General Relativity (GR), are expected to contribute to the Stoch…

gr-qc2025★ 11 cited

Ringdown nonlinearities in the eikonal regime

Bruno Bucciotti, Vitor Cardoso, Adrien Kuntz +2

The eikonal limit of black hole quasinormal modes (the large multipole limit ) can be realized geometrically as a next-to-leading order solution to the geometric optics…

gr-qc2024★ 7 cited

Assessing the Impact of Unequal Noises and Foreground Modeling on SGWB Reconstruction with LISA

Jun'ya Kume, Marco Peloso, Mauro Pieroni +1

In the search for stochastic gravitational wave backgrounds (SGWB) of cosmological origin with LISA, it is crucial to account for realistic complications in the noise and astrophys…

gr-qc2024★ 1 cited

Horizon classification via Riemannian flows

R. A. Hounnonkpe, E. Minguzzi

We point out that the geometry of connected totally geodesic compact null hypersurfaces in Lorentzian manifolds is only slightly more specialized than that of Riemannian flows over…

gr-qc2024★ 5 cited

Gravitational Waves and Black Hole perturbations in Acoustic Analogues

Chiara Coviello, Maria Luisa Chiofalo, Dario Grasso +3

Phonons in Bose-Einstein condensates propagate as massless scalar particles on top of an emergent acoustic metric. This hydrodynamics/gravity analogy can be exploited to realize ac…

gr-qc2024

Regularity and temperature of stationary black hole event horizons

R. A. Hounnonkpe, E. Minguzzi

Available proofs of the regularity of stationary black hole event horizons rely on certain assumptions on the existence of sections that imply a differentiability assumption.…

gr-qc2024★ 4 cited

Potential impact of noise correlation in next-generation gravitational wave detectors

Isaac C. F. Wong, Peter T. H. Pang, Milan Wils +3

Building upon the statistical formulation for parameter estimation (PE) in the presence of correlated noise proposed by Cireddu et al., we present the initial study to incorporate…

gr-qc2024

Cosmological inhomogeneities, primordial black holes, and a hypothesis on the death of the universe

Damiano Anselmi

We study the impact of the expansion of the universe on a broad class of objects, including black holes, neutron stars, white dwarfs, and others. Using metrics that incorporate pri…

gr-qc2024★ 25 cited

Quadratic Quasi-Normal Modes of a Schwarzschild Black Hole

Bruno Bucciotti, Leonardo Juliano, Adrien Kuntz +1

Quadratic quasi-normal modes, generated at second order in black hole perturbation theory, are a promising target for testing gravity in the nonlinear regime with next-generation g…

gr-qc2024★ 17 cited

Correlated 0.01Hz-40Hz seismic and Newtonian noise and its impact on future gravitational-wave detectors

Kamiel Janssens, Guillaume Boileau, Nelson Christensen +22

We report correlations in underground seismic measurements with horizontal separations of several hundreds of meters to a few kilometers in the frequency range 0.01Hz to 40Hz. Thes…

gr-qc2023★ 4 cited

Radiative corrections to the and invariants from torsion fluctuations on maximally symmetric spaces

Riccardo Martini, Gregorio Paci, Dario Sauro

We derive the runnings of the and operators that stem from integrating out quantum torsion fluctuations on a maximally symmetric Euclidean background, while treating the…

gr-qc2023★ 38 cited

Searching for ringdown higher modes with a numerical relativity-informed post-merger model

Vasco Gennari, Gregorio Carullo, Walter Del Pozzo

Robust measurements of multiple black hole vibrational modes provide a unique opportunity to characterise gravity in extreme curvature and dynamical regimes, to better investigate…

gr-qc2023★ 2 cited

Do black holes remember what they are made of?

Harshraj Bandyopadhyay, David Radice, Aviral Prakash +4

We study the ringdown signal of black holes formed in prompt-collapse binary neutron star mergers. We analyze data from numerical relativity simulations. We show that the $(\e…