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12 papers · 2 filters
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…
Black Hole Data via a Kerr-Schild Approach
Nigel T. Bishop, Richard Isaacson, Manoj Maharaj +1
We present a new approach for setting initial Cauchy data for multiple black hole spacetimes. The method is based upon adopting an initially Kerr-Schild form of the metric. In the…
Moving Black Holes in 3D
R. Gomez, L. Lehner, R. L. Marsa +1
We model a radiating, moving black hole in terms of a worldtube-nullcone boundary value problem. We evolve this data in the region interior to the worldtube but exterior to a trapp…
Loop Quantum Gravity
Carlo Rovelli
The problem of finding the quantum theory of the gravitational field, and thus understanding what is quantum spacetime, is still open. One of the most active of the current approac…
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…
High-powered Gravitational News
Nigel T. Bishop, Roberto Gómez, Luis Lehner +2
We describe the computation of the Bondi news for gravitational radiation. We have implemented a computer code for this problem. We discuss the theory behind it as well as the resu…