Open AccessAccretion Disks around Kerr Black Holes: Vertical Equilibrium Revisited
Author(s) -
M. A. Abramowicz,
A. Lanza,
M. J. L. Percival
Publication year - 1997
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/303869
Subject(s) - physics , accretion disc , accretion (finance) , spacetime , rotating black hole , classical mechanics , gravitational singularity , astrophysics , quantum mechanics
We re-derive the equation for vertical hydrodynamical equilibrium of stationary thin and slim accretion disks in the Kerr spacetime. All the previous derivations have been unsatisfactory, yielding unphysical singularities. Our equation is non-singular, more general, and simpler than those previously derived
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