Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.u9006c&link_type=abstract
American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #U9.006
Physics
Scientific paper
Calculation of accurate waveforms generated by the sources likely to be detected by several worldwide gravitational wave (GW) observatories such as LIGO, VIRGO and LISA will play an essential role for the successful detection and interpretation of the signals. Such calculations involve the full Einstein equations in 3-D that must be solved to follow both the dynamics of the sources and the generation and propagation of gravitational waves into the wave zone. Our research program is aimed at calculating such waveforms for one of the most promising sources--inspiralling black hole binaries. One of the crucial requirements for this kind of simulation is adaptive mesh refinement. My talk is based on work-in-progress that solves the vacuum Einstein equations with strong gravitational waves (Brill waves) as initial data. This work constitutes a first step towards full simulations and provides us with an important test problem to verify various components of our AMR code. Apart from astrophysical motivations, evolutions of strong wave data can also lead to a study of interesting physics problems such as critical phenomena. Some preliminary results are presented.
Brown Jacqueline D.
Centrella Joan M.
Choi Dae-Il
Imbiriba Breno
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