Evolution of distorted rotating black holes. II. Dynamics and analysis

Steven R. Brandt, Edward Seidel

Research output: Contribution to journalArticlepeer-review


We have developed a numerical code to study the evolution of distorted, rotating black holes. This code is used to evolve a new family of black hole initial data sets corresponding to distorted "Kerr" holes with a wide range of rotation parameters, and distorted Schwarzschild black holes with odd-parity radiation. Rotating black holes with rotation parameters as high as a/m=0.87 are evolved and analyzed in this paper. The evolutions are generally carried out to about t=100M, where M is the ADM mass. We have extracted both the even- and odd-parity gravitational waveforms, and find the quasinormal modes of the holes to be excited in all cases. We also track the apparent horizons of the black holes and find them to be a useful tool for interpreting the numerical results. We are able to compute the masses of the black holes from the measurements of their apparent horizons, as well as the total energy radiated and find their sum to be in excellent agreement with the ADM mass.

Original languageEnglish (US)
Pages (from-to)870-886
Number of pages17
JournalPhysical Review D
Issue number2
StatePublished - 1995

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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