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Comment on "Kerr Black Holes as Particle Accelerators to Arbitrarily High Energy"
Emanuele Berti, Vitor Cardoso, Leonardo Gualtieri +2
It has been suggested that rotating black holes could serve as particle colliders with arbitrarily high center-of-mass energy. Astrophysical limitations on the maximal spin, back-r…
Constraining the evolutionary history of Newton's constant with gravitational wave observations
Nicolas Yunes, Frans Pretorius, David Spergel
Space-borne gravitational wave detectors, such as the proposed Laser Interferometer Space Antenna, are expected to observe black hole coalescences to high redshift and with large s…
Fundamental Theoretical Bias in Gravitational Wave Astrophysics and the Parameterized Post-Einsteinian Framework
Nicolas Yunes, Frans Pretorius
We consider the concept of fundamental bias in gravitational wave astrophysics as the assumption that general relativity is the correct theory of gravity during the entire wave-gen…
Ultra Relativistic Particle Collisions
Matthew W. Choptuik, Frans Pretorius
We present results from numerical solution of the Einstein field equations describing the head-on collision of two solitons boosted to ultra relativistic energies. We show, for the…
Cross section, final spin and zoom-whirl behavior in high-energy black hole collisions
U. Sperhake, V. Cardoso, F. Pretorius +3
We study the collision of two highly boosted equal mass, nonrotating black holes with generic impact parameter. We find such systems to exhibit zoom-whirl behavior when fine tuning…
Status of NINJA: the Numerical INJection Analysis project
Benjamin Aylott, John G. Baker, William D. Boggs +74
The 2008 NRDA conference introduced the Numerical INJection Analysis project (NINJA), a new collaborative effort between the numerical relativity community and the data analysis co…