Perturbative Solution of the Einstein Constraints with Spin and Momentum Far Away From a Binary Source in the Bowen-York Formalism

Date

2023-06-01

Author

Altas, Emel
Ertugrul, Emine
Tekin, Bayram

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The momentum and Hamiltonian constraints of vacuum Einstein equations, within the Bowen-York formalism, for two interacting black holes in close separation, with anti-parallel spins and anti-parallel linear momenta is studied. An analytical solution using perturbation theory is given. The location and the shape of the apparent horizon which generically depend on all the parameters, angles, and the separation between the black holes are also computed. The solution only works for distances far away from the black holes. To gain more insight close into the black holes, one has to go to the higher orders in perturbation theory, which is a rather cumbersome process. But the solution presented here can be of some use for numerical computations as the latter should match our result for the described problem.

Subject Keywords

black holes, constraint equations, gravity, TELESCOPE RESULTS. I., BLACK-HOLE, INITIAL DATA, SHADOW

URI

https://hdl.handle.net/11511/104555

Collections

Department of Physics, Article