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A New Transition between Discrete and Continuous Self-Similarity in Critical Gravitational Collapse
Christiane Lechner, Jonathan Thornburg, Sascha Husa +1
We analyze a bifurcation phenomenon associated with critical gravitational collapse in a family of self-gravitating SU(2) -models. As the dimensionless coupling constant decreas…
Semiglobal Numerical Calculations of Asymptotically Minkowski Spacetimes
Sascha Husa
This talk reports on recent progress toward the semiglobal study of asymptotically flat spacetimes within numerical relativity. The development of a 3D solver for asymptotically Mi…
Retarded radiation from colliding black holes in the close limit
Sascha Husa, Yosef Zlochower, Roberto Gomez +1
We use null hypersurface techniques in a new approach to calculate the retarded waveform from a binary black hole merger in the close approximation. The process of removing ingoing…
Complete null data for a black hole collision
Sascha Husa, Roberto Gomez, Jeffrey Winicour
We discuss a sequence of numerically constructed geometries describing binary black hole event horizons -- providing the necessary input for characteristic evolution of the exterio…