Relativistic three-body effects in black hole coalescence

  title={Relativistic three-body effects in black hole coalescence},
  author={Manuela Campanelli and Miranda H. Dettwyler and Mark Hannam and Carlos O. Lousto},
  journal={Physical Review D},
Three-body interactions are expected to be common in globular clusters and in galactic cores hosting supermassive black holes. We consider an equal-mass binary black hole system in the presence of a third black hole. Using numerically generated binary black hole initial data sets, and first and second-order post-Newtonian (1PN and 2PN) techniques, we find that the presence of the third black hole has non-negligible relativistic effects on the location of the binary’s innermost stable circular… 

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