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Mergers of binary neutron stars with realistic spin
Sebastiano Bernuzzi, Tim Dietrich, Wolfgang Tichy +1
Simulations of binary neutron stars have seen great advances in terms of physical detail and numerical quality. However, the spin of the neutron stars, one of the simplest global p…
Collapse of Nonlinear Gravitational Waves in Moving-Puncture Coordinates
David Hilditch, Thomas W. Baumgarte, Andreas Weyhausen +4
We study numerical evolutions of nonlinear gravitational waves in moving-puncture coordinates. We adopt two different types of initial data -- Brill and Teukolsky waves -- and evol…
Solving the Hamiltonian constraint for 1+log trumpets
Tim Dietrich, Bernd Bruegmann
The puncture method specifies black hole data on a hypersurface with the aid of a conformal rescaling of the metric that exhibits a coordinate singularity at the puncture point. Wh…