851 citations · 9.6k across the 106 of their papers we have counts for
105 papers · 1 filter
Comparing second-order gravitational self-force and effective-one-body waveforms from inspiralling, quasi-circular black hole binaries with a non-spinning primary and a spinning secondary
Angelica Albertini, Alessandro Nagar, Josh Mathews +1
We present the first comparison of waveforms evaluated using the effective-one-body (EOB) approach and gravitational self-force (GSF) theory for inspiralling black hole binaries wi…
Waveform Modelling for the Laser Interferometer Space Antenna
LISA Consortium Waveform Working Group, Niayesh Afshordi, Sarp Akçay +144
LISA, the Laser Interferometer Space Antenna, will usher in a new era in gravitational-wave astronomy. As the first anticipated space-based gravitational-wave detector, it will exp…
Effective-one-body waveforms for extreme-mass-ratio binaries: Consistency with second-order gravitational self-force quasicircular results and extension to nonprecessing spins and eccentricity
Angelica Albertini, Rossella Gamba, Alessandro Nagar +1
We present a first complete implementation of an effective-one-body (EOB) model for extreme-mass-ratio inspirals (EMRIs) that incorporates aligned spins (on both the primary and th…
Unveiling the merger structure of black hole binaries in generic planar orbits
Gregorio Carullo, Simone Albanesi, Alessandro Nagar +4
The precise modeling of binary black hole coalescences in generic planar orbits is a crucial step to disentangle dynamical and isolated binary formation channels through gravitatio…
Analytically improved and numerical-relativity informed effective-one-body model for coalescing binary neutron stars
Rossella Gamba, Matteo Breschi, Sebastiano Bernuzzi +9
Gravitational wave astronomy pipelines rely on template waveform models for searches and parameter estimation purposes. For coalescing binary neutron stars (BNS), such models need…
Towards numerical-relativity informed effective-one-body waveforms for dynamical capture black hole binaries
Tomas Andrade, Juan Trenado, Simone Albanesi +10
Dynamical captures of black holes may take place in dense stellar media due to the emission of gravitational radiation during a close passage. Detection of such events requires det…
Faithful effective-one-body waveform of small-mass-ratio coalescing black hole binaries: the eccentric, nonspinning, case
Simone Albanesi, Sebastiano Bernuzzi, Thibault Damour +2
We present a new effective-one-body (EOB) waveform for eccentric, nonspinning, binaries in the extreme mass ratio limit, with initial eccentricities up to . The EOB analytica…
2.5PN accurate waveform information for generic-planar-orbit binaries in effective one-body models
Andrea Placidi, Gianluca Grignani, Troels Harmark +3
We provide the post-Newtonian (PN) waveform for binary systems in motion along generic planar orbits at 2.5PN accuracy, in terms of the dynamical variables of the effective one-bod…
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…
Numerical-Relativity-Informed Effective-One-Body model for Black-Hole-Neutron-Star Mergers with Higher Modes and Spin Precession
Alejandra Gonzalez, Rossella Gamba, Matteo Breschi +4
We present the first effective-one-body (EOB) model for generic-spins quasi-circular black-hole--neutron-star (BHNS) inspiral-merger-ringdown gravitational waveforms (GWs). Our mod…
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…
Comparing second-order gravitational self-force and effective one body waveforms from inspiralling, quasi-circular and nonspinning black hole binaries II: the large-mass-ratio case
Angelica Albertini, Alessandro Nagar, Adam Pound +4
We compare recently computed waveforms from second-order gravitational self-force (GSF) theory to those generated by a new, GSF-informed, effective one body (EOB) waveform model fo…
Comparing second-order gravitational self-force, numerical relativity and effective one body waveforms from inspiralling, quasi-circular and nonspinning black hole binaries
Angelica Albertini, Alessandro Nagar, Adam Pound +4
We present the first systematic comparison between gravitational waveforms emitted by inspiralling, quasi-circular and nonspinning black hole binaries computed with three different…
Towards a gravitational self force-informed effective-one-body waveform model for nonprecessing, eccentric, large-mass-ratio inspirals
Alessandro Nagar, Simone Albanesi
Building upon several recent advances in the development of effective-one-body models for spin-aligned eccentric binaries with individual masses we introduce a new EOB…
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…
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…
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…
New Avenue for Accurate Analytical Waveforms and Fluxes for Eccentric Compact Binaries
Simone Albanesi, Andrea Placidi, Alessandro Nagar +2
We introduce a new paradigm for constructing accurate analytic waveforms (and fluxes) for eccentric compact binaries. Our recipe builds on the standard Post-Newtonian (PN) approach…
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…
Numerical-relativity validation of effective-one-body waveforms in the intermediate-mass-ratio regime
Alessandro Nagar, James Healy, Carlos O. Lousto +2
One of the open problems in developing binary black hole (BBH) waveforms for gravitational wave astronomy is to model the intermediate mass ratio regime and connect it to the extre…
Assessment of Effective-One-Body Radiation Reactions for Generic Planar Orbits
Simone Albanesi, Alessandro Nagar, Sebastiano Bernuzzi +2
In this paper we assess the performances of different analytical prescriptions for the effective-one-body (EOB) radiation reaction along generic planar orbits using exact numerical…
Exploiting Newton-factorized, 2PN-accurate, waveform multipoles in effective-one-body models for spin-aligned noncircularized binaries
Andrea Placidi, Simone Albanesi, Alessandro Nagar +3
We present a new approach to factorize and resum the post-Newtonian (PN) waveform for generic equatorial motion to be used within effective-one-body (EOB) based waveform models. Th…
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…
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…