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29 papers · 2 filters
Dynamical Evolution of Boson Stars II: Excited States and Self-Interacting Fields
Jayashree Balakrishna, Edward Seidel, Wai-Mo Suen
The dynamical evolution of self-gravitating scalar field configurations in numerical relativity is studied. The previous analysis on ground state boson stars of non-interacting fie…
New Coordinate Systems for Axisymmetric Black Hole Collisions
P. Anninos, S. R. Brandt, P. Walker
We describe a grid generation procedure designed to construct new classes of orthogonal coordinate systems for binary black hole spacetimes. The computed coordinates offer an alter…
Self-consistent solutions for low-frequency gravitational background radiation
G. Dautcourt
We study in a Brill-Hartle type of approximation the back-reaction of a superposition of linear gravitational waves in an Einstein-de Sitter background up to the second order in th…
Quantum Theory of Geometry II: Volume operators
Abhay Ashtekar, Jerzy Lewandowski
A functional calculus on the space of (generalized) connections was recently introduced without any reference to a background metric. It is used to continue the exploration of the…
Mass inflation inside non-Abelian black holes
Peter Breitenlohner, George Lavrelashvili, Dieter Maison
The interior geometry of static, spherically symmetric black holes of the Einstein-Yang-Mills-Higgs theory is analyzed. It is found that in contrast to the Abelian case generically…
The Matter Plus Black Hole Problem in Axisymmetry
S. R. Brandt, J. A. Font
We present preliminary results in our long-term project of studying the evolution of matter in a dynamical spacetime. To achieve this, we have developed a new code to evolve axisym…