Initial Data and Coordinates for Multiple Black Hole Systems

Preprint

7 May 1998

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.gr-qc/9805023

Abstract

We present here an alternative approach to data setting for spacetimes with multiple moving black holes generalizing the Kerr-Schild form for rotating or non-rotating single black holes to multiple moving holes. Because this scheme preserves the Kerr-Schild form near the holes, it selects out the behaviour of null rays near the holes, may simplify horizon tracking, and may prove useful in computational applications. For computational evolution, a discussion of coordinates (lapse function and shift vector) is given which preserves some of the properties of the single-hole Kerr-Schild form.

Keywords

MULTIPLE BLACK
HOLE SYSTEMS
KERR SCHILD
SCHILD FORM
BLACK HOLES
EVOLUTION
LAPSE

All Related Versions

Version 1, 1998-05-07, ArXiv
Published version: Physical Review D, 59 (2), 024015.

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