On the Bardeen???Petterson effect in black hole accretion discs

  title={On the Bardeen???Petterson effect in black hole accretion discs},
  author={Rebecca Nealon and Daniel J. Price and Chris Nixon},
  journal={Monthly Notices of the Royal Astronomical Society},
We investigate the effect of black hole spin on warped or misaligned accretion discs — in particular i) whether or not the inner disc edge aligns with the black hole spin and ii) whether the disc can maintain a smooth transition between an aligned inner disc and a misaligned outer disc, known as the Bardeen-Petterson effect. We employ high resolution 3D smoothed particle hydrodynamics simulations of -discs subject to Lense-Thirring precession, focussing on the bending wave regime where the disc… 

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