#numerical relativity
11 papers match
High-accuracy drivers to simulate black hole binaries beyond general relativity with the fixing-the-equations approach
Guillermo Lara, Harald P. Pfeiffer, Nils Deppe +9
The paper implements a fixing‑the‑equations method in the Spectre code to generate accurate numerical‑relativity waveforms for black‑hole binaries in shift‑symmetric scalar Gauss‑B…
Towards long and accurate numerical relativity waveforms of binary black holes beyond general relativity
Guillermo Lara, Harald P. Pfeiffer, Nils Deppe +9
The paper presents long, accurate numerical relativity simulations of equal‑mass, nonspinning binary black holes in shift‑symmetric scalar Gauss‑Bonnet gravity, generating waveform…
Dendro-GR at high mass ratios with high spins
William K. Black, David W. Neilsen, Eric W. Hirschmann +1
The paper demonstrates that the Dendro-GR code can efficiently simulate binary black hole mergers with high mass ratios and high spins, producing accurate gravitational waveforms u…
Charged Dirac stars
Maribel Hernández Márquez, Miguel Alcubierre
The paper numerically solves the coupled Einstein‑Dirac‑Maxwell equations for static, spherically symmetric configurations of two charged fermions, identifying families of self‑gra…
Nonlinear Dynamics near the Threshold of Gravitational Collapse
Jaime Redondo-Yuste, Josu C. Aurrekoetxea
The authors use numerical relativity simulations of a self‑gravitating scalar field to compare perturbative expansions around flat spacetime with full nonlinear dynamics, identifyi…
SEOBNRv5PHM: Next generation of accurate and efficient multipolar precessing-spin effective-one-body waveforms for binary black holes
Antoni Ramos-Buades, Alessandra Buonanno, Héctor Estellés +5
The paper introduces SEOBNRv5PHM, a fast and accurate effective‑one‑body waveform model that includes multipolar precessing spins for the full inspiral‑merger‑ringdown signal of bi…
Enhancing the SEOBNRv5 effective-one-body waveform model with second-order gravitational self-force fluxes
Maarten van de Meent, Alessandra Buonanno, Deyan P. Mihaylov +7
The paper incorporates second‑order gravitational self‑force calculations into the SEOBNRv5 effective‑one‑body waveform model, improving its mode amplitudes, energy flux, and bindi…
SPH methods in the modelling of compact objects
Stephan Rosswog
This review summarizes the use of Smoothed Particle Hydrodynamics (SPH) for simulating compact objects, covering Newtonian and relativistic formulations and their application to bi…
Numerical study on the robustness of the stability for stable black holes
Zhan-Feng Mai, Run-Qiu Yang
The paper numerically investigates whether tiny geometric perturbations near a black hole's event horizon can overturn the stability of an otherwise stable black hole, using deform…
Antikick Relation in High-Energy Head-On Collisions of Spinning Black Holes
Carlos O. Lousto, James Healy, Alessandro Ciarfella +1
The paper studies head‑on collisions of equal‑mass spinning black holes at relativistic speeds, analyzing the recoil (kick) and antikick using numerical simulations and analytical…
Extending the infrastructure of the BAM code towards resistive general-relativistic magnetohydrodynamics: tests and first applications
Matthew Beaudoin, Maximilano Ujevic, Ramon Jaeger +4
The paper extends the BAM numerical‑relativity code to include resistive general‑relativistic magnetohydrodynamics, validates it with benchmark tests, and applies it to isolated an…
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