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Deceleration Effect of Magnetic Field on Black Hole Accretion Disks |
| WANG Ding-Xiong |
| Department of Physics, Huazhong University of Science and Technology, Wuhan 430074 |
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| Cite this article: |
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WANG Ding-Xiong 2000 Chin. Phys. Lett. 17 148-150 |
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Abstract The deceleration effect of magnetic field near the horizon of a spinning black hole (BH) of accretion disk is investigated in the Blandford-Znajek (BZ) process. It is shown that rates of change with respect to time for both the angular velocities of BH horizon and accreting particles at the inner edge of an accretion disk are reduced in the BZ process, behaving with non-monotonous evolution characteristics. This result implies that the magnetic field near the BH horizon has á deceleration effect not only on the spinning BH but also on the surrounding accretion disk.
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| Keywords:
97.60.Lf
98.62.Mw
98.62.Js
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Published: 01 February 2000
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| PACS: |
97.60.Lf
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(Black holes)
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98.62.Mw
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(Infall, accretion, and accretion disks)
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98.62.Js
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(Galactic nuclei (including black holes), circumnuclear matter, and bulges)
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