Fully Relativistic Simulations of the Inspiral and Merger of Black Hole - Neutron Star Binaries

Details Fully Relativistic Simulations of the Inspiral and Merger of Black Hole - Neutron Star Binaries Fully Relativistic Simulations of the Inspiral and Merger of Black Hole - Neutron Star Binaries

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21530001m&link_type=abstract

American Astronomical Society, AAS Meeting #215, #300.01; Bulletin of the American Astronomical Society, Vol. 42, p.295

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We present fully relativistic simulations of the inspiral and merger of quasi-equilibrium binaries composed of a neutron star and a black hole. We vary the mass ratio of the binary, the spin angular momentum of the black hole and the initial separation in a series of simulations. We also explore the role of magnetic fields by including a dipole field in the neutron star and evolve the field in the MHD approximation. We use the adaptive mesh refinement package HAD to resolve the
disparate length scales in the problem ranging from the radiation zone down to the internal
dynamics of the initial neutron star and tidal remnant. We will briefly highlight our results for the gravitational radiation waveform as well as the fate of the neutron star's material including the fraction that forms a debris disk.
This work was supported by the NSF through grants
PHY-0803629 and PHY-0653375 to LSU.
The computations presented here were performed on resources from the Teragrid and the
Louisiana Optical Network Initiative (LONI).

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