NON-OVERLAPPING MARGINALLY TRAPPED SURFACES

摘要

Two examples of black hole binary configurations are studied examining the question under what condition overlapping marginally outer trapped surfaces exist. A series of time- and axisymmetric black hole binary initial data and simulations of inspiraling black holes were analyzed. In both cases no overlap was found. Using embedding diagrams an explanation is given why these results need not be contradictory to results obtained in different contexts. Differences in the gauge are likely to explain the disagreements.