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Relativistic Simulations of Black Hole-Neutron Star Mergers: Effects of black-hole spin
Zachariah B. Etienne, Yuk Tung Liu, Stuart L. Shapiro +1
Black hole-neutron star (BHNS) binary mergers are candidate engines for generating both short-hard gamma-ray bursts (SGRBs) and detectable gravitational waves. Using our most recen…
Equilibrium initial data for moving puncture simulations: The stationary 1+log slicing
T. W. Baumgarte, Z. B. Etienne, Y. T. Liu +4
We propose and explore a "stationary 1+log" slicing condition for the construction of solutions to Einstein's constraint equations. For stationary spacetimes, these initial data wi…
General relativistic simulations of magnetized binary neutron star mergers
Yuk Tung Liu, Stuart L. Shapiro, Zachariah B. Etienne +1
Binary neutron stars (NSNS) are expected to be among the leading sources of gravitational waves observable by ground-based laser interferometers and may be the progenitors of short…
Relativistic Radiation Magnetohydrodynamics in Dynamical Spacetimes: Numerical Methods and Tests
Brian D. Farris, Tsz Ka Li, Yuk Tung Liu +1
Many systems of current interest in relativistic astrophysics require a knowledge of radiative transfer in a magnetized gas flowing in a strongly-curved, dynamical spacetime. Such…
Collapse of magnetized hypermassive neutron stars in general relativity: Disk evolution and outflows
Branson C. Stephens, Yuk Tung Liu, Stuart L. Shapiro
We study the evolution in axisymmetry of accretion disks formed self-consistently through collapse of magnetized hypermassive neutron stars to black holes. Such stars can arise fol…