Scott E. Field
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View article: Consistency of spin effects between numerical relativity and perturbation theory for inspiraling comparable-mass black hole binaries
Consistency of spin effects between numerical relativity and perturbation theory for inspiraling comparable-mass black hole binaries Open
Numerical relativity (NR) provides the most accurate waveforms for comparable-mass binary black holes but becomes prohibitively expensive for increasingly asymmetric mass ratios. Point-particle black hole perturbation theory (ppBHPT), whic…
View article: The SXS collaboration’s third catalog of binary black hole simulations
The SXS collaboration’s third catalog of binary black hole simulations Open
We present a major update to the Simulating eXtreme Spacetimes (SXSs) Collaboration’s catalog of binary black hole (BBH) simulations. Using highly efficient spectral methods implemented in the Spectral Einstein Code ( SpEC ), we have nearl…
View article: Modeling the BMS transformation induced by a binary black hole merger
Modeling the BMS transformation induced by a binary black hole merger Open
Understanding the characteristics of the remnant black hole formed in a binary black hole merger is crucial for conducting gravitational wave astronomy. Typically, models of remnant black holes provide information about their mass, spin, a…
View article: GWSurrogate: A Python package for gravitational wave surrogate models
GWSurrogate: A Python package for gravitational wave surrogate models Open
Fast and accurate waveform models are fundamentally important to modern gravitational wave astrophysics, enabling the study of merging compact objects like black holes and neutron stars. However, generating high-fidelity gravitational wave…
View article: Optimizing Neural Network Surrogate Models: Application to Black Hole Merger Remnants
Optimizing Neural Network Surrogate Models: Application to Black Hole Merger Remnants Open
Surrogate models of numerical relativity simulations of merging black holes provide the most accurate tools for gravitational-wave data analysis. Neural network-based surrogates promise evaluation speedups, but their accuracy relies on (of…
View article: Surrogate modeling of gravitational waves microlensed by spherically symmetric potentials
Surrogate modeling of gravitational waves microlensed by spherically symmetric potentials Open
The anticipated observation of the gravitational microlensing of gravitational waves (GWs) promises to shed light on a host of astrophysical and cosmological questions. However, extracting the parameters of the lens from the modulated GWs …
View article: Surrogate waveform model data for black hole binary systems computed in point-particle black hole perturbation theory
Surrogate waveform model data for black hole binary systems computed in point-particle black hole perturbation theory Open
This repository contains all publicly available surrogate data for gravitational waveforms produced within the point-particle black hole perturbation theory framework and calibrated to numerical relativity simulations performed with the Sp…
View article: Binary black-hole surrogate waveform catalog
Binary black-hole surrogate waveform catalog Open
This repository contains all publicly available numerical relativity surrogate data for waveforms produced by the Spectral Einstein Code. The base method for building surrogate models can be found in Field et al., PRX 4, 031006 (2014). Sev…
View article: High-Precision Ringdown Surrogate Model for Non-Precessing Binary Black Holes
High-Precision Ringdown Surrogate Model for Non-Precessing Binary Black Holes Open
Highly precise and robust waveform models are required as improvements in detector sensitivity enable us to test general relativity with more precision than ever before. In this work, we introduce a spin-aligned surrogate ringdown model. T…
View article: Adding higher-order spherical harmonics in non-spinning eccentric binary black hole merger waveform models
Adding higher-order spherical harmonics in non-spinning eccentric binary black hole merger waveform models Open
gwNRHME is a recently developed framework that seamlessly converts a multi-modal (i.e with several spherical harmonic modes) quasi-circular waveform into multi-modal eccentric waveform if the quadrupolar eccentric waveform is known. Here, …
View article: Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity
Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity Open
We present BHPTNRSur2dq1e3, a reduced order surrogate model of gravitational waves emitted from binary black hole (BBH) systems in the comparable to large mass ratio regime with aligned spin ($χ_1$) on the heavier mass ($m_1$). We trained …
View article: Phenomenology and origin of late-time tails in eccentric binary black hole mergers
Phenomenology and origin of late-time tails in eccentric binary black hole mergers Open
We investigate the late-time tail behavior in gravitational waves from merging eccentric binary black holes (BBH) using black hole perturbation theory. For simplicity, we focus only on the dominant quadrupolar mode of the radiation. We dem…
View article: Editorial: Advances in computational relativity
Editorial: Advances in computational relativity Open
EDITORIAL article Front. Appl. Math. Stat., 14 May 2024Sec. Mathematical Physics Volume 10 - 2024 | https://doi.org/10.3389/fams.2024.1420155
View article: Comparing Numerical Relativity and Perturbation Theory Waveforms for a Non-Spinning Equal-Mass Binary
Comparing Numerical Relativity and Perturbation Theory Waveforms for a Non-Spinning Equal-Mass Binary Open
Past studies have empirically demonstrated a surprising agreement between gravitational waveforms computed using adiabatic–driven–inspiral point–particle black hole perturbation theory (ppBHPT) and numerical relativity (NR) following a str…
View article: Comparing numerical relativity and perturbation theory waveforms for a non-spinning equal-mass binary
Comparing numerical relativity and perturbation theory waveforms for a non-spinning equal-mass binary Open
Past studies have empirically demonstrated a surprising agreement between gravitational waveforms computed using adiabatic-driven-inspiral point-particle black hole perturbation theory (ppBHPT) and numerical relativity (NR) following a str…
View article: Waveform Modelling for the Laser Interferometer Space Antenna
Waveform Modelling for the Laser Interferometer Space Antenna Open
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 expand our view to the millihertz gravitational-wave sky, wher…
View article: Remnant black hole properties from numerical-relativity-informed perturbation theory and implications for waveform modeling
Remnant black hole properties from numerical-relativity-informed perturbation theory and implications for waveform modeling Open
During binary black hole (BBH) mergers, energy and momenta are carried away from the binary system as gravitational radiation. Access to the radiated energy and momenta allows us to predict the properties of the remnant black hole. We deve…
View article: Binary black-hole surrogate waveform catalog
Binary black-hole surrogate waveform catalog Open
This repository contains all publicly available numerical relativity surrogate data for waveforms produced by the Spectral Einstein Code . The base method for building surrogate models can be found in Field et al., PRX 4, 031006 (2014) . S…
View article: Binary black-hole surrogate waveform catalog
Binary black-hole surrogate waveform catalog Open
This repository contains all publicly available numerical relativity surrogate data for waveforms produced by the Spectral Einstein Code . The base method for building surrogate models can be found in Field et al., PRX 4, 031006 (2014) . S…
View article: Binary black-hole surrogate waveform catalog
Binary black-hole surrogate waveform catalog Open
This repository contains all publicly available numerical relativity surrogate data for waveforms produced by the Spectral Einstein Code . The base method for building surrogate models can be found in Field et al., PRX 4, 031006 (2014) . S…
View article: Survey of gravitational wave memory in intermediate mass ratio binaries
Survey of gravitational wave memory in intermediate mass ratio binaries Open
The non-linear gravitational wave (GW) memory effect is a distinct prediction in general relativity. While the effect has been well studied for comparable mass binaries, it has mostly been overlooked for intermediate mass ratio inspirals (…
View article: GPR surrogate model dataset for remnant black hole properties using perturbation theory and NR
GPR surrogate model dataset for remnant black hole properties using perturbation theory and NR Open
This is the data-set used in BHPTNR_Remnant which is an easy-to-use python package to efficiently predict the remnant mass, remnant spin, peak luminosity and the final kick imparted on the remnant black hole directly from the gravitational…
View article: GPR surrogate model dataset for remnant black hole properties using perturbation theory and NR
GPR surrogate model dataset for remnant black hole properties using perturbation theory and NR Open
This is the data-set used in BHPTNR_Remnant which is an easy-to-use python package to efficiently predict the remnant mass, remnant spin, peak luminosity and the final kick imparted on the remnant black hole directly from the gravitational…
View article: NRSurCat-1
NRSurCat-1 Open
Posterior samples from the NRSurCat-1. Refer to the paper for more details. Website hosting plots for this work can be found here.
View article: NRSurCat-1
NRSurCat-1 Open
Posterior samples from the NRSurCat-1. Refer to the paper for more details. Website hosting plots for this work can be found here.
View article: Toward exponentially-convergent simulations of extreme-mass-ratio inspirals: A time-domain solver for the scalar Teukolsky equation with singular source terms
Toward exponentially-convergent simulations of extreme-mass-ratio inspirals: A time-domain solver for the scalar Teukolsky equation with singular source terms Open
Gravitational wave signals from extreme mass ratio inspirals are a key target for space-based gravitational wave detectors. These systems are typically modeled as a distributionally-forced Teukolsky equation, where the smaller black hole i…
View article: Binary black-hole surrogate waveform catalog
Binary black-hole surrogate waveform catalog Open
This repository contains all publicly available numerical relativity surrogate data for waveforms produced by the Spectral Einstein Code. The base method for building surrogate models can be found in Field et al., PRX 4, 031006 (2014). Sev…
View article: Numerical relativity surrogate model with memory effects and post-Newtonian hybridization
Numerical relativity surrogate model with memory effects and post-Newtonian hybridization Open
Numerical relativity simulations provide the most precise templates for the gravitational waves produced by binary black hole mergers. However, many of these simulations use an incomplete waveform extraction technique -- extrapolation -- t…