activity
20182026
most citedTime-domain effective-one-body gravitational waveforms for coalescing compact binaries with nonprecessing spins, tides and self-spin effects

313 citations · 1.7k across the 35 of their papers we have counts for

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35 papers · 1 filter

gr-qc2026★ 1 cited

High-order effective-one-body tidal interactions and gravitational scattering

Malte Schulze, Sebastiano Bernuzzi, Piero Rettegno +3

Using state-of-the-art scattering results in post-Minkowskian (PM) gravity, we improve the tidal sector of four different flavors of the effective-one-body (EOB) formalism. We nota…

gr-qc2025

Radiation reaction force for scalar-tensor theories in effective-one-body formalism

Tamanna Jain, Piero Rettegno

Whilst most of the binary configurations in modified theories of gravity are studied under quasi-circular orbit limit, eccentricity effects could play a significant role in future…

gr-qc2025★ 3 cited

Gravitational scattering of two neutron stars

Joan Fontbuté, Sebastiano Bernuzzi, Piero Rettegno +2

We present the first numerical relativity simulations of the gravitational scattering of two neutron stars. Constraint-satisfying initial data for two equal-mass nonspinning sequen…

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

A novel Lagrange-multiplier approach to the effective-one-body dynamics of binary systems in post-Minkowskian gravity

Thibault Damour, Alessandro Nagar, Andrea Placidi +1

We present a new approach to the conservative dynamics of binary systems, within the effective one-body (EOB) framework, based on the use of a Lagrange multiplier to impose the mas…

gr-qc2024

Angular Momentum Flux in Scalar-Tensor Theories up to 1.5 post-Newtonian Order

Tamanna Jain, Piero Rettegno

We compute the angular momentum flux from a non-circular nonspinning binary system of compact objects in massless scalar-tensor theories up to one and a half post-Newtonian (1.5PN)…

gr-qc2024

Effective-one-body waveform model for noncircularized, planar, coalescing black hole binaries II:high accuracy by improving logarithmic terms in resummations

Alessandro Nagar, Danilo Chiaramello, Rossella Gamba +5

Effective-one-body (EOB) models are based on analytical building blocks that, mathematically, are truncated Taylor series with logarithms. These functions are usually resummed usin…

gr-qc2024

Effective-one-body waveform model for non-circularized, planar, coalescing black hole binaries: the importance of radiation reaction

Alessandro Nagar, Rossella Gamba, Piero Rettegno +2

We present an updated version of the TEOBResumS-Dali effective-one-body (EOB) waveform model for spin aligned binaries on non-circularized orbits. Recently computed 4PN (nonspinnin…

gr-qc2024

Gravitational spin-orbit coupling through the third-subleading post-Newtonian order: exploring spin-gauge flexibility

Andrea Placidi, Piero Rettegno, Alessandro Nagar

We build upon recent work by Antonelli et al. [Phys. Rev. Lett. 125 (2020) 1, 011103] to obtain, within the effective-one-body (EOB) formalism, and for an arbitrary choice of gauge…

gr-qc2023★ 1 cited

Double copy, Kerr-Schild gauges and the Effective-One-Body formalism

Anna Ceresole, Thibault Damour, Alessandro Nagar +1

We look for a classical double copy structure between gravity and electrodynamics by connecting the descriptions of the scattering of two point masses, and of two point charges, in…

gr-qc2023

Spin-orbit contribution to radiative losses for spinning binaries with aligned spins

Donato Bini, Andrea Geralico, Piero Rettegno

We compute the leading order contribution to radiative losses in the case of spinning binaries with aligned spins due to their spin-orbit interaction. The orbital average along hyp…

gr-qc2023★ 1 cited

Strong-field scattering of two spinning black holes: Numerical Relativity versus post-Minkowskian gravity

Piero Rettegno, Geraint Pratten, Lucy Thomas +2

Highly accurate models of the gravitational-wave signal from coalescing compact binaries are built by completing analytical computations of the binary dynamics with non-perturbativ…

gr-qc2023

Analytic systematics in next-generation of effective-one-body gravitational waveform models for future observations

Alessandro Nagar, Piero Rettegno, Rossella Gamba +3

The success of analytic waveform modeling within the effective-one-body (EOB) approach relies on the precise understanding of the physical importance of each technical element incl…

gr-qc2022★ 19 cited

Effective one body Hamiltonian in scalar-tensor gravity at third post-Newtonian order

Tamanna Jain, Piero Rettegno, Michalis Agathos +2

We determine the general local-in-time effective-one-body (EOB) Hamiltonian for massless Scalar-Tensor (ST) theories at third post-Newtonian (PN) order. Starting from the Lagrangia…

gr-qc2022★ 72 cited

Strong-field scattering of two black holes: Numerical Relativity meets Post-Minkowskian gravity

Thibault Damour, Piero Rettegno

We compare numerical relativity (NR) data on the scattering of equal-mass, non-spinning binary black holes to various analytical predictions based on post-Minkowskian (PM) results.…

gr-qc2022★ 18 cited

Virgo Detector Characterization and Data Quality: tools

F. Acernese, M. Agathos, A. Ain +491

Detector characterization and data quality studies -- collectively referred to as {\em DetChar} activities in this article -- are paramount to the scientific exploitation of the jo…

gr-qc2022★ 60 cited

Virgo Detector Characterization and Data Quality: results from the O3 run

F. Acernese, M. Agathos, A. Ain +491

The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected gravitational-wave (GW) signals in the past few years, alongside the two Adv…

gr-qc2022★ 48 cited

Inferring eccentricity evolution from observations of coalescing binary black holes

Alice Bonino, Rossella Gamba, Patricia Schmidt +5

The origin and formation of stellar-mass binary black holes remains an open question that can be addressed by precise measurements of the binary and orbital parameters from their g…

gr-qc2022★ 7 cited

Virgo Detector Characterization and Data Quality during the O3 run

F. Acernese, M. Agathos, A. Ain +491

The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected gravitational-wave signals in the past few years, alongside the two LIGO ins…

gr-qc2022★ 45 cited

Strong-field scattering of two spinning black holes: Numerics versus Analytics

Seth Hopper, Alessandro Nagar, Piero Rettegno

We present new Numerical Relativity calculations of the scattering angle between two, equal-mass, black holes on hyperbolic-like orbits. We build upon previous work considering…

gr-qc2022★ 22 cited

The Virgo O3 run and the impact of the environment

F. Acernese, M. Agathos, A. Ain +486

Sources of geophysical noise (such as wind, sea waves and earthquakes) or of anthropogenic noise impact ground-based gravitational-wave interferometric detectors, causing transient…

gr-qc2021

Waveforms and fluxes: Towards a self-consistent effective one body waveform model for nonprecessing, coalescing black-hole binaries for third generation detectors

Angelica Albertini, Alessandro Nagar, Piero Rettegno +2

We present a comprehensive comparison between numerical relativity (NR) angular momentum fluxes at infinity and the corresponding quantity entering the radiation reaction in TEOBRe…

gr-qc2021

The next generation: Impact of high-order analytical information on effective one body waveform models for noncircularized, spin-aligned black hole binaries

Alessandro Nagar, Piero Rettegno

We explore the performance of an updated effective-one-body (EOB) model for spin-aligned coalescing black hole binaries designed to deal with any orbital configuration. The model s…

gr-qc2021★ 145 cited

GW190521 as a dynamical capture of two nonspinning black holes

Rossella Gamba, Matteo Breschi, Gregorio Carullo +4

Gravitational waves from black holes binary systems have currently been detected by the LIGO and Virgo experiments, and their progenitors' properties inferred. This allow…