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- Manuel Campanelli, Carlos O. Lousto, Pedro Marronetti, Yosef Zlochower
- Physical review letters
- 2006

We present a new algorithm for evolving orbiting black-hole binaries that does not require excision or a corotating shift. Our algorithm is based on a novel technique to handle the singular puncture conformal factor. This system, based on the Baumgarte-Shapiro-Shibata-Nakamura formulation of Einstein's equations, when used with a "precollapsed" initial… (More)

- Manuela Campanelli, Carlos O. Lousto, Yosef Zlochower, David Merritt
- Physical review letters
- 2007

Recent calculations of gravitational radiation recoil generated during black-hole binary mergers have reopened the possibility that a merged binary can be ejected even from the nucleus of a massive host galaxy. Here we report the first systematic study of gravitational recoil of equal-mass binaries with equal, but counteraligned, spins parallel to the… (More)

John G. Baker, Manuela Campanelli, 3 Frans Pretorius, 5, 6 and Yosef Zlochower Gravitational Astrophysics Laboratory, NASA Goddard Space Flight Center, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA Center for Gravitational Wave Astronomy, Department of Physics and Astronomy, The University of Texas at Brownsville, Brownsville, Texas 78520 Center for… (More)

We report the first results from evolutions of generic black-hole binaries, i.e. a binary containing unequal mass black holes with misaligned spins. Our configuration, which has a mass ratio of 2 : 1, consists of an initially non-spinning hole orbiting a larger, rapidly spinning hole (specific spin a/m = 0.885), with the spin direction oriented −45 with… (More)

- Maria Babiuc, Béla Szilágyi, Ian Hawke, Yosef Zlochower
- 2005

We implement a code to find the gravitational news at future null infinity by using data from a Cauchy code as boundary data for a characteristic code. This technique of Cauchy–characteristic extraction (CCE) allows for the unambiguous extraction of gravitational waves from numerical simulations. We first test the technique on non-radiative spacetimes:… (More)

- Ian Hinder, A. Buonanno, +53 authors Yosef Zlochower
- 2013

The Numerical-Relativity–Analytical-Relativity (NRAR) collaboration is a joint effort between members of the numerical relativity, analytical relativity and gravitational-wave data analysis communities. The goal of the NRAR collaboration is to produce numerical-relativity simulations of compact binaries and use them to develop accurate analytical templates… (More)

- M. C. Babiuc, Béla Szilágyi, Jeffrey Winicour, Yosef Zlochower
- 2011

M.C. Babiuc, B. Szilágyi, J. Winicour, and Y. Zlochower Department of Physics, Marshall University, Huntington, West Virginia 25755, USA Theoretical Astrophysics, California Institute of Technology, Pasadena, California 91125, USA Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA Max-Planck-Institut für… (More)

We perform the first fully nonlinear numerical simulations of black-hole binaries with mass ratios 100:1. Our technique is based on the moving puncture formalism with a new gauge condition and an optimal choice of the mesh refinement. The evolutions start with a small nonspinning black hole just outside the ISCO that orbits twice before plunging. We compute… (More)

- Benjamin Aylott, John G. Baker, +74 authors Yosef Zlochower
- 2009

The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave data analysis communities. The purpose of NINJA is to study the sensitivity of existing gravitational-wave search algorithms using numerically generated waveforms and to foster closer collaboration between the… (More)

Sergio Dain, Carlos O. Lousto, and Yosef Zlochower Facultad de Matemática, Astronomı́a y Fı́sica, Universidad Nacional de Córdoba, Ciudad Universitaria (5000), Córdoba, Argentina Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Am Mühlenberg 1, D-14476 Potsdam, Germany Center for Computational Relativity and Gravitation, School of… (More)