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Waveform propagation in black hole spacetimes: evaluating the quality of numerical solutions
L. Rezzolla, A. M. Abrahams, T. W. Baumgarte +4
We compute the propagation and scattering of linear gravitational waves off a Schwarzschild black hole using a numerical code which solves a generalization of the Zerilli equation…
Boosted three-dimensional black-hole evolutions with singularity excision
The Binary Black Hole Grand Challenge Alliance, :, G. B. Cook +43
Binary black hole interactions provide potentially the strongest source of gravitational radiation for detectors currently under development. We present some results from the Binar…
Bar mode instability in relativistic rotating stars: a post Newtonian treatment
S. L. Shapiro, S. Zane
We construct analytic models of incompressible, rigidly rotating stars in PN gravity and study their stability against nonaxisymmetric Jacobi-like bar modes. PN configurations are…
Gravitational wave extraction and outer boundary conditions by perturbative matching
The Binary Black Hole Grand Challenge Alliance, :, A. M. Abrahams +42
We present a method for extracting gravitational radiation from a three-dimensional numerical relativity simulation and, using the extracted data, to provide outer boundary conditi…
General Relativistic Models of Binary Neutron Stars in Quasiequilibrium
T. W. Baumgarte, G. B. Cook, M. A. Scheel +2
We perform fully relativistic calculations of binary neutron stars in corotating, circular orbit. While Newtonian gravity allows for a strict equilibrium, a relativistic binary sys…
Numerical Evolution of Black Holes with a Hyperbolic Formulation of General Relativity
Mark A. Scheel, Thomas W. Baumgarte, Gregory B. Cook +2
We describe a numerical code that solves Einstein's equations for a Schwarzschild black hole in spherical symmetry, using a hyperbolic formulation introduced by Choquet-Bruhat and…