University of Birmingham > Talks@bham > Astrophysics Talks Series > Resonant Recoil from black hole binaries

Resonant Recoil from black hole binaries

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  • UserMaarten van de Meent (Southampton)
  • ClockWednesday 15 October 2014, 14:30-15:30
  • HouseNuffield G13.

If you have a question about this talk, please contact Ilya Mandel.

It is generally believed that only the final phase (plunge, merger, and ringdown) of a binary inspiral can produce asymmetric gravitational wave emission, leading to a recoil on the final black hole due to linear momentum carried away. When the mass ratio m/M between the two black holes is small, the recoil velocity is proportional to (m/M)2. I will demonstrate that for eccentric inspirals resonances between the orbital frequencies during the inspiral (which occur generically) can lead to an addition recoil proportional to (m/M)3/2. Explicit calculation of this effect shows, that in extreme cases, recoil velocities around 1000 km/s are possible.

This talk is part of the Astrophysics Talks Series series.

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