Recent Developments in Binary Black Hole Initial Data

03/10/2010 - 2:30pm to 3:30pm
Harald Pfeiffer
Speaker affiliation: 
Canadian Institute for Theoretical Astrophysics

Initial data forms the starting point of virtually any numerical simulation. When solving Einstein's equations, the initial data must satisfy consistency conditions comparable to the divergence equations of electro-dynamics.  In addition, when one is simulating black hole binaries, the initial data must furthermore contain black holes with the appropriate spin and on appropriate orbital trajectories.  In this talk, I discuss some recent work on black hole initial data.  Specifically, I will present a method for constructing black holes with nearly extremal spins, discuss the construction of initial data on hyperboloidal hypersurfaces, and will touch on the question of how to control eccentricity for precessing black hole binaries.

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