Computer Science – Numerical Analysis
Scientific paper
Mar 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.294..667w&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 294, p. 667
Computer Science
Numerical Analysis
13
Stellar Mass Accretion, Black Holes (Astronomy), Stellar Evolution, Numerical Analysis, Stellar Mass, Angular Momentum, Stellar Temperature, Kerr Effects
Scientific paper
The effects of the Blandford-Znajek (BZ) process on the evolution of the central black holes of accretion disks are investigated by an analytical method and numerical calculations. It is shown that the BZ process reduces the rates of change of some parameters of the black hole, such as mass, angular momentum, dimensionless angular momentum, and temperature, and the evolution of the central black hole towards the extreme Kerr black hole is depressed effectively. However, the rate of change of entropy of the central black hole is augmented in the BZ process. In addition, the consistency of the BZ process with the three laws of black hole thermodynamics is discussed.
Lu Yi
Wang Ding-Xiong
Yang T.-L.
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