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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Unambiguous determination of gravitational waveforms from binary black hole mergers
Physical Review Letters, Volume 103, No. 22, Article 221101, Year 2009
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Description
Gravitational radiation is properly defined only at future null infinity (J+), but in practice it is estimated from data calculated at a finite radius. We have used characteristic extraction to calculate gravitational radiation at J+ for the inspiral and merger of two equal-mass nonspinning black holes. Thus we have determined the first unambiguous merger waveforms for this problem. The implementation is general purpose and can be applied to calculate the gravitational radiation, at J+, given data at a finite radius calculated in another computation. © 2009 The American Physical Society.
Authors & Co-Authors
Reisswig, Christian
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Bishop, Nigel T.
South Africa, Grahamstown
Rhodes University
South Africa, Pretoria
University of South Africa
Pollney, Denis
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Szilágyi, Béla
United States, Pasadena
California Institute of Technology
Statistics
Citations: 75
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1103/PhysRevLett.103.221101
ISSN:
00319007
e-ISSN:
10797114
Research Areas
Cancer