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Relativistic Effects on Circumbinary Disk Evolution: Breaking the Polar Alignment around Eccentric Black Hole Binary Systems
Anna C. Childs, Rebecca G. Martin, C. J. Nixon +4
We study the effects of general relativity (GR) on the evolution and alignment of circumbinary disks around binaries on all scales. We implement relativistic apsidal precession of…
On the role of numerical diffusivity in MHD simulations of global accretion disc dynamos
C. J. Nixon, C. C. T. Pringle, J. E. Pringle
Observations, mainly of outbursts in dwarf novae, imply that the anomalous viscosity in highly ionized accretion discs is magnetic in origin, and requires that the plasma …
Mergers of black hole binaries driven by misaligned circumbinary discs
Rebecca G. Martin, Stephen Lepp, Bing Zhang +2
With hydrodynamical simulations we examine the evolution of a highly misaligned circumbinary disc around a black hole binary including the effects of general relativity. We show th…
Tilted circumbinary planetary systems as efficient progenitors of free-floating planets
Cheng Chen, Rebecca G. Martin, Stephen H. Lubow +1
The dominant mechanism for generating free-floating planets has so far remained elusive. One suggested mechanism is that planets are ejected from planetary systems due to planet-pl…