Relativistic Accretion Disk Structure Revisited

Details Relativistic Accretion Disk Structure Revisited Relativistic Accretion Disk Structure Revisited

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...450..508r&link_type=abstract

Astrophysical Journal v.450, p.508

Physics

60

Accretion, Accretion Disks, Black Hole Physics, Relativity

Scientific paper

The structure of a thin accretion disk around a Kerr black hole is calculated in order to derive relativistic correction factors with respect to the standard Newtonian disk model. The results are compared with the equations derived in an article by Novikov & Thorne (1973). We find a different factor in the equation of hydrostatic equilibrium; as a consequence the gravitational force from the central black hole is now larger, resulting in a reduced disk height. An additional relativistic factor that has been introduced in the viscous shear for the standard alpha-disk model turns out to be negligible.

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