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Investigation on parameters of inner edge orbit of black-hole accretion disk
Received 24 November 1998 / Accepted 20 April 1999
The characteristics of evolution of the parameters of the inner edge of a black-hole accretion disk are investigated for pro- and retrograde accretion. Some useful relations among the parameters of the inner edge and those of the central black hole (CBH) are obtained. In addition, we discuss the evolution characteristics of the dimensionless angular momentum of a CBH surrounded by an accretion disk with inner edge radius () by considering the Blandford-Znajek process.
Key words: accretion, accretion disks black hole physics
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Online publication: June 6, 1999