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33 papers · 2 filters
Flat parameter-space metric for all-sky searches for gravitational-wave pulsars
Karl Wette, Reinhard Prix
All-sky, broadband, coherent searches for gravitational-wave pulsars are computationally limited. It is therefore important to make efficient use of available computational resourc…
High-Order Fully General-Relativistic Hydrodynamics: new Approaches and Tests
David Radice, Luciano Rezzolla, Filippo Galeazzi
We present a new approach for achieving high-order convergence in fully general-relativistic hydrodynamic simulations. The approach is implemented in WhiskyTHC, a new code that mak…
Gravitational self-torque and spin precession in compact binaries
Sam R. Dolan, Niels Warburton, Abraham I. Harte +3
We calculate the effect of self-interaction on the "geodetic" spin precession of a compact body in a strong-field orbit around a black hole. Specifically, we consider the spin prec…
Instability of the extreme Kerr-Newman black-holes
Martin Reiris
Using black-hole inequalities and the increase of the horizon's areas, we show that there are arbitrarily small electro-vacuum perturbations of the standard initial data of the ext…
Stability of nonspinning effective-one-body model in approximating two-body dynamics and gravitational-wave emission
Yi Pan, Alessandra Buonanno, Andrea Taracchini +7
The detection of gravitational waves and the extraction of physical information from them requires the prediction of accurate waveforms to be used in template banks. For that purpo…
Effective-one-body model for black-hole binaries with generic mass ratios and spins
Andrea Taracchini, Alessandra Buonanno, Yi Pan +11
Gravitational waves emitted by black-hole binary systems have the highest signal-to-noise ratio in LIGO and Virgo detectors when black-hole spins are aligned with the orbital angul…