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Towards a cross-correlation approach to strong-field dynamics in Black Hole spacetimes

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons26311

Jaramillo,  J. L.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons4338

Moesta,  P.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons20670

Rezzolla,  L.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Volltexte (frei zugänglich)

1205.3902
(Preprint), 285KB

AIP1458_158.pdf
(beliebiger Volltext), 636KB

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Zitation

Jaramillo, J. L., Macedo, R. P., Moesta, P., & Rezzolla, L. (2012). Towards a cross-correlation approach to strong-field dynamics in Black Hole spacetimes.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-EEDA-3
Zusammenfassung
The qualitative and quantitative understanding of near-horizon gravitational dynamics in the strong-field regime represents a challenge both at a fundamental level and in astrophysical applications. Recent advances in numerical relativity and in the geometric characterization of black hole horizons open new conceptual and technical avenues into the problem. We discuss here a research methodology in which spacetime dynamics is probed through the cross-correlation of geometric quantities constructed on the black hole horizon and on null infinity. These two hypersurfaces respond to evolving gravitational fields in the bulk, providing canonical "test screens" in a "scattering"-like perspective onto spacetime dynamics. More specifically, we adopt a 3+1 Initial Value Problem approach to the construction of generic spacetimes and discuss the role and properties of dynamical trapping horizons as canonical inner "screens" in this context. We apply these ideas and techniques to the study of the recoil dynamics in post-merger binary black holes, an important issue in supermassive galactic black hole mergers.