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Fully General Relativistic Simulations of Black Hole-Neutron Star Mergers
Zachariah B. Etienne, Joshua A. Faber, Yuk Tung Liu +3
Black hole-neutron star (BHNS) binaries are expected to be among the leading sources of gravitational waves observable by ground-based detectors, and may be the progenitors of shor…
Shells around black holes: the effect of freely specifiable quantities in Einstein's constraint equations
Keith Matera, Thomas W. Baumgarte, Eric Gourgoulhon
We solve Einstein's constraint equations in the conformal thin-sandwich decomposition to model thin shells of non-interacting particles in circular orbit about a non-rotating black…
Relativistic black hole-neutron star binaries in quasiequilibrium: effects of the black hole excision boundary condition
Keisuke Taniguchi, Thomas W. Baumgarte, Joshua A. Faber +1
We construct new models of black hole-neutron star binaries in quasiequilibrium circular orbits by solving Einstein's constraint equations in the conformal thin-sandwich decomposit…
Relativistic hydrodynamics in the presence of puncture black holes
Joshua A. Faber, Thomas W. Baumgarte, Zachariah B. Etienne +2
Many of the recent numerical simulations of binary black holes in vacuum adopt the moving puncture approach. This successful approach avoids the need to impose numerical excision o…
Filling the holes: Evolving excised binary black hole initial data with puncture techniques
Zachariah B. Etienne, Joshua A. Faber, Yuk Tung Liu +2
We follow the inspiral and merger of equal-mass black holes (BHs) by the moving puncture technique and demonstrate that both the exterior solution and the asymptotic gravitational…
Analytical Representation of a Black Hole Puncture Solution
Thomas W. Baumgarte, Stephen G. Naculich
The ``moving puncture'' technique has led to dramatic advancements in the numerical simulations of binary black holes. Hannam et.al. have recently demonstrated that, for suitable g…