The effect of the Blandford-Znajek process on the evolution of black-hole accretion disks.

Details The effect of the Blandford-Znajek process on the evolution of black-hole accretion disks. The effect of the Blandford-Znajek process on the evolution of black-hole accretion disks.

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996acaps..16..333w&link_type=abstract

Acta Astrophys. Sin., Vol. 16, No. 4, p. 333 - 340

Astronomy and Astrophysics

Astrophysics

1

Black Holes: Accretion Disks

Scientific paper

The relations between the total evolution rate of mass and angular momentum and the ratio of the mass accretion rate to energy extraction rate concerning the central black hole of an accretion disk in the Blandford-Znajek process are investigated in detail. The effect of the Blandford-Znajek process on the evolution of the inner marginal radius of the black-hole accretion disk is discussed on the basis of the above relations. In addition, it is shown that the entropy of the central black hole always increases in this process.

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