742 citations · 6.9k across the 48 of their papers we have counts for
46 papers · 1 filter
Numerical convergence of model Cauchy-characteristic extraction and matching
Thanasis Giannakopoulos, Nigel T. Bishop, David Hilditch +2
Gravitational waves provide a powerful enhancement to our understanding of fundamental physics. To make the most of their detection we need to accurately model the entire process o…
Numerical solutions for the -Klein-Gordon system
Ulrich K. Beckering Vinckers, Álvaro de la Cruz-Dombriz, Denis Pollney
We construct a numerical relativity code based on the Baumgarte-Shapiro-Shibata-Nakamura (BSSN) formulation for the gravitational quadratic Starobinsky model. By removing th…
Gauge structure of the Einstein field equations in Bondi-like coordinates
Thanasis Giannakopoulos, Nigel T. Bishop, David Hilditch +2
The characteristic initial (boundary) value problem has numerous applications in general relativity (GR) involving numerical studies, and is often formulated using Bondi-like coord…
Black holes, gravitational waves and fundamental physics: a roadmap
Leor Barack, Vitor Cardoso, Samaya Nissanke +203
The grand challenges of contemporary fundamental physics---dark matter, dark energy, vacuum energy, inflation and early universe cosmology, singularities and the hierarchy problem-…
Energetics and phasing of nonprecessing spinning coalescing black hole binaries
Alessandro Nagar, Thibault Damour, Christian Reisswig +1
We present an improved numerical relativity (NR) calibration of the new effective-one-body (EOB) model for coalescing non precessing spinning black hole binaries recently introduce…
Error-analysis and comparison to analytical models of numerical waveforms produced by the NRAR Collaboration
Ian Hinder, Alessandra Buonanno, Michael Boyle +53
The Numerical-Relativity-Analytical-Relativity (NRAR) collaboration is a joint effort between members of the numerical relativity, analytical relativity and gravitational-wave data…
General relativistic null-cone evolutions with a high-order scheme
Christian Reisswig, Nigel T. Bishop, Denis Pollney
We present a high-order scheme for solving the full non-linear Einstein equations on characteristic null hypersurfaces using the framework established by Bondi and Sachs. This form…
The NINJA-2 catalog of hybrid post-Newtonian/numerical-relativity waveforms for non-precessing black-hole binaries
P. Ajith, Michael Boyle, Duncan A. Brown +45
The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational wave data analysis communities. The purpose…
Energy versus Angular Momentum in Black Hole Binaries
Thibault Damour, Alessandro Nagar, Denis Pollney +1
Using accurate numerical relativity simulations of (nonspinning) black-hole binaries with mass ratios 1:1, 2:1 and 3:1 we compute the gauge invariant relation between the (reduced)…
Initial data transients in binary black hole evolutions
Nigel Bishop, Denis Pollney, Christian Reisswig
We describe a method for initializing characteristic evolutions of the Einstein equations using a linearized solution corresponding to purely outgoing radiation. This allows for a…
Notes on the integration of numerical relativity waveforms
Christian Reisswig, Denis Pollney
A primary goal of numerical relativity is to provide estimates of the wave strain, , from strong gravitational wave sources, to be used in detector templates. The simulations, h…
Matching post-Newtonian and numerical relativity waveforms: systematic errors and a new phenomenological model for non-precessing black hole binaries
L. Santamaria, F. Ohme, P. Ajith +10
We present a new phenomenological gravitational waveform model for the inspiral and coalescence of non-precessing spinning black hole binaries. Our approach is based on a frequency…
Gravitational memory in binary black hole mergers
Denis Pollney, Christian Reisswig
In addition to the dominant oscillatory gravitational wave signals produced during binary inspirals, a non-oscillatory component arises from the nonlinear "memory" effect, sourced…
Vacuum Electromagnetic Counterparts of Binary Black-Hole Mergers
Philipp Mösta, Carlos Palenzuela, Luciano Rezzolla +3
As one step towards a systematic modeling of the electromagnetic (EM) emission from an inspiralling black hole binary we consider a simple scenario in which the binary moves in a u…
Characteristic extraction in numerical relativity: binary black hole merger waveforms at null infinity
C. Reisswig, N. T. Bishop, D. Pollney +1
The accurate modeling of gravitational radiation is a key issue for gravitational wave astronomy. As simulation codes reach higher accuracy, systematic errors inherent in current n…
High accuracy binary black hole simulations with an extended wave zone
Denis Pollney, Christian Reisswig, Erik Schnetter +2
We present results from a new code for binary black hole evolutions using the moving-puncture approach, implementing finite differences in generalised coordinates, and allowing the…
The Asymptotic Falloff of Local Waveform Measurements in Numerical Relativity
Denis Pollney, Christian Reisswig, Nils Dorband +2
We examine current numerical relativity computations of gravitational waves, which typically determine the asymptotic waves at infinity by extrapolation from finite (small) radii.…
Inspiral-merger-ringdown waveforms for black-hole binaries with non-precessing spins
P. Ajith, M. Hannam, S. Husa +9
We present the first analytical inspiral-merger-ringdown gravitational waveforms from binary black holes (BBHs) with non-precessing spins, that is based on a description of the lat…
Unambiguous determination of gravitational waveforms from binary black hole mergers
C. Reisswig, N. T. Bishop, D. Pollney +1
Gravitational radiation is properly defined only at future null infinity ($\scri$), but in practice it is estimated from data calculated at a finite radius. We have used characteri…
Gravitational-wave detectability of equal-mass black-hole binaries with aligned spins
Christian Reisswig, Sascha Husa, Luciano Rezzolla +3
Binary black-hole systems with spins aligned or anti-aligned to the orbital angular momentum provide the natural ground to start detailed studies of the influence of strong-field s…
Status of NINJA: the Numerical INJection Analysis project
Benjamin Aylott, John G. Baker, William D. Boggs +74
The 2008 NRDA conference introduced the Numerical INJection Analysis project (NINJA), a new collaborative effort between the numerical relativity community and the data analysis co…
Predicting the direction of the final spin from the coalescence of two black holes
Enrico Barausse, Luciano Rezzolla
Knowledge of the spin of the black hole resulting from the merger of a generic black-hole binary is of great importance for studying the cosmological evolution of supermassive blac…
Testing gravitational-wave searches with numerical relativity waveforms: Results from the first Numerical INJection Analysis (NINJA) project
Benjamin Aylott, John G. Baker, William D. Boggs +74
The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave data analysis communities. The purpose…
The Samurai Project: verifying the consistency of black-hole-binary waveforms for gravitational-wave detection
Mark Hannam, Sascha Husa, John G. Baker +16
We quantify the consistency of numerical-relativity black-hole-binary waveforms for use in gravitational-wave (GW) searches with current and planned ground-based detectors. We comp…