2011

Binary black hole mergers in gaseous disks: Simulations in general relativity

Farris, Brian D., Liu, Yuk Tung, Shapiro, Stuart L.

Understand

Simultaneous gravitational and electromagnetic wave observations of merging black hole binaries (BHBHs) can provide unique opportunities to study gravitation physics, accretion and cosmology.

  • Here we perform fully general relativistic, hydrodynamic simulations of equal-mass, nonspinning BHBHs coalescing in a circumbinary disk.
  • We evolve the metric using the Baumgarte-Shapiro-Shibata-Nakamura (BSSN) formulation of Einstein's field equations with standard moving puncture gauge conditions.
  • We handle the hydrodynamics via a high-resolution shock-capturing (HRSC) scheme.

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