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- M Campanelli, C O Lousto, P Marronetti, Y 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)

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)

- 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)

- M. C. Babiuc, B. Szilágyi, J. Winicour, Y. Zlochower
- 2011

- Laura Cadonati, Benjamin Aylott, +74 authors Yosef Zlochower
- 2009

The 2008 NRDA conference introduced the Numerical INJection Analysis project (NINJA), a new collaborative effort between the numerical relativity community and the data analysis community. NINJA focuses on modeling and searching for gravitational wave signatures from the coalescence of binary system of compact objects. We review the scope of this… (More)

We present a characteristic algorithm for computing the perturbation of a Schwarzschild spacetime by means of solving the Teukolsky equation. We implement the algorithm as a characteristic evolution code and apply it to compute the advanced solution to a black hole collision in the close approximation. The code successfully tracks the initial burst and… (More)

- M C Babiuc, S Husa, +8 authors J Winicour
- 2008

We discuss results that have been obtained from the implementation of the initial round of testbeds for numerical relativity which was proposed in the first paper of the Apples with Apples Alliance. We present benchmark results for various codes which provide templates for analyzing the testbeds and to draw conclusions about various features of the codes.… (More)

- Ian Hinder, Alessandra Buonanno, +53 authors Yosef Zlochower
- 2013

- Carlos O Lousto, Yosef Zlochower
- Physical review letters
- 2011

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)

- P. Ajith, Michael Boyle, +43 authors Yosef Zlochower
- 2012