Assessing the Readiness of Numerical Relativity for LISA and 3G Detectors

Abstract

Future detectors such as LISA promise signal-to-noise ratios potentially in the thousands and data containing simultaneous signals. Accurate numerical relativity waveforms will be essential to maximize the science return. A question of interest to the broad gravitational wave community is: Are the numerical relativity codes ready to face this challenge? Towards answering this question, we provide a new criteria to identify the minimum resolution a simulation must have as a function of signal-to-noise ratio in order for the numerical relativity waveform to be indistinguishable from a true signal. This criteria can be applied to any finite-differencing numerical relativity code with multiple simulations of differing resolutions for the desired binary parameters and waveform length. We apply this criteria to binary systems of interest with the fourth-order MAYA code to obtain the first estimate of the minimum resolution a simulation must have to be prepared for next generation detectors.

7 pages, 5 figures

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• CLASS_GWB: robust modeling of the astrophysical gravitational wave background anisotropies
• Possible Causes of False General Relativity Violations in Gravitational Wave Observations
• Assessing the model waveform accuracy of gravitational waves
• Systematic Biases in Estimating the Properties of Black Holes Due to Inaccurate Gravitational-Wave Models
• Investigating the relation between gravitational wave tests of general relativity
• Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity
• Improved Moving-Puncture Techniques for Compact Binary Simulations
• Adaptive mesh refinement in binary black holes simulations
• Accounting for numerical-relativity calibration uncertainty in gravitational-wave modeling and inference
• Simulating binary black hole mergers using discontinuous Galerkin methods
• Second MAYA Catalog of Binary Black Hole Numerical Relativity Waveforms
• Binary Black Hole Waveforms from High-Resolution GR-Athena++ Simulations
• Numerical Relativity Multimodal Waveforms using Absorbing Boundary Conditions
• Optimizing the Placement of Numerical Relativity Simulations using a Mismatch Predicting Neural Network
• Systematic biases in parameter estimation on LISA binaries: The effect of excluding higher harmonics for non-spinning binaries
• Intermediate Mass Ratio Inspirals in Milky Way Galaxies
• Discontinuous Galerkin scheme for elliptic equations on extremely stretched grids
• Nyquist-resolving gravitational waves via orbital frequency-based refinement
• A comprehensive look into the accuracy of SpEC binary black hole waveforms
• superB/NRPy: Scalable, Task-Based Numerical Relativity for 3G Gravitational Wave Science